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    "localId": "334343044",
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    "title": "Memoranda from James S. Lay, Jr. to the National Security Council and to President Harry S. Truman with Attachments",
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    "ocrText": "The President\nEXECUTIVE OFFICE OF THE PRESIDENT\nNATIONAL SECURITY COUNCIL\nWASHINGTON\nRESTRICTED\nJanuary 16, 1951\nMEMORANDUM FOR THE NATIONAL SECURITY COUNCIL\nSUBJECT:\nMinimum Standards for the Handling and Transmission\nof Classified Information\nREFERENCE:\nMemo for NSC from Executive Secretary, same subject,\ndated January 2, 1951\nThe President has this date approved the issuance\nof the draft Executive Order on the subject attached to the ref-\nerence memorandum, as recommended by the National Security Council,\nthe Secretary of the Treasury, the Acting Attorney General, the\nSecretary of Commerce, the Director of Defense Mobilization and\nthe Chairman, Atomic Energy Commission, subject to the following\nrevision of paragraph 34-B-(1)-(c) thereof as agreed by the\nActing Attorney General and the Secretary of the Army:\n34-B-(1)-(c). Under no circumstances shall \"Top Secret\"\nmaterial be transmitted by mail or by\nany means not specified in the preceding\nparagraph (34-B-(1)-(b)).\nAccordingly the draft Executive Order is being\nreferred to the Bureau of the Budget for issuance and will retain\nits classification until the date of release.\nJAMES S. LAY, Jr.\nMARRY ARCHIVES S. NATIONAL RECORDS TRUMAN AND LIBRARY\nExecutive Secretary\nU.S.\nSERVICE\"\nGOVERNMENT\nCC: The Secretary of the Treasury\nThe Attorney General\nThe Secretary of Commerce\nThe Director of Defense Mobilization\nThe Chairman, Atomic Energy Commission\nDECLASSIFIED\nRESTRICTED\nAuthority E.O. 10501\nEXECUTIVE OFFICE OF THE PRESIDENT\nRESTRICTED\nNATIONAL SECURITY COUNCIL\nWASHINGTON\nJanuary 16, 1951\nMEMORANDUM FOR THE PRESIDENT\nAt the 78th meeting of the National Security Council, at which\nyou presided and in which the Acting Attorney General and the Chairman,\nAtomic Energy Commission, participated for the following item together\nwith the Secretary of the Treasury and the Director of Defense Mobilisa-\ntion, the Council considered a report by the Interdepartmental Committee\non Internal Security on \"Minimum Standards for the Handling and Transmission\nof Classified Information\".\nThe Council agreed to recommend that you approve the issuance\nof the attached draft Executive Order proposed by the ICIS, subject to\nagreement between the Attorney General and the Secretary of the Army\nregarding the wording of paragraph 34-B-(1)-(c). The Secretary of\nCommerce, although he did not attend the meeting, had previously in-\ndicated his approval of the draft Executive Order.\nThe Attorney General and the Secretary of the Army have this\ndate agreed on the wording of paragraph 34-B-(1)-(c), as incorporated\nin the enclosure,\nAccordingly, the National Security Council, the Secretary of\nthe Treasury, the Acting Attorney General, the Secretary of Commerce,\nthe Director of Defense Mobilisation and the Chairman, Atomic Energy\nCommission, recommend that you approve the issuance of the enclosed\ndraft Executive Order.\nJames Executive JAMES S. LAY, Secretary Jr. ARCHIVES RECORDS SERVICE\" AND DEBUT\nU.S. GOVERN WENT\nAPPROVED:\n/s/Hany S. Tuman\nDECLASSIFIED\nHARRY S. TRUMAN\nAnthority E.O. 10501\nDate: Jan, 16,1951\nRESTRICTED\nDECLASSIFIED\nRESTRICTED\nDRAFT\nfluthority E.O. 10501\nEXECUTIVE ORDER\nDecember 28, 1950\nS.\nTRUMAN\nPRESCRIBING REGULATIONS ESTABLISHING MINIMUM STANDARDS FOR SERVICE\"\nRECORDS AND\nLIBRARY\nTHE HANDLING AND TRANSMISSION OF CLASSIFIED INFORMATION\nGOVERNMENT\nWHEREAS It is necessary in order to establish uniformity throughout the\nexecutive branch of the Government to provide minimum standards which will\nenable officers and employees appropriately and uniformly to classify\ninformation according to the degree of protection which it requires, to accord\nproper and uniform protection to all classified information, and expeditiously\nto change the classification assigned to information whenever conditions require\na different degree of protection,\nBy virtue of the authority vested in me by the Constitution and statutes 01\nthe United States, and as President of the United States, I hereby prescribe the\nfollowing regulations establishing minimum standards for the handling and trans-\nmission of classified information in the executive branch of the Federal Govern-\nment for the sole purpose of safeguarding official information, the unauthorized\ndisclosure of which might impair or harm the security of the nation.\nThese regulations shall be applicable throughout the executive branch of\nthe Government to the extent not inconsistent with law. Nothing in these regu-\nlations shall be construed to authorize the dissemination, release, handling\nor transmission of any classified information contrary to the provisions of\nany law, executive order, or Presidential directive which restricts the dis-\nsemination, release, handling or transmission of such information, or to\nabrogate existing security regulations imposing higher standards than those\nprescribed in these regulations, or to prevent the imposition of higher standards\nwhen, in the opinion of any department or agency, security considerations require\nthe imposition of higher standards.\nThese regulations shall take effect thirty days after publication in the\nFederal Register.\nSECTION I -- DEFINITIONS\n1. AGENCY - The term \"agency\" as used herein means any department or\nestablishment within the executive branch, including any government corporation\nthat is operated as an instrumentality of the Federal Government.\n2. INFORMATION - The term \"information\" as used herein means knowledge\nwhich can be communicated, either orally or by means of material.\nRESTRICTED\n3. MATERIAL - The term \"material\" as used herein means\nany document, product or substance on or in which information may\nbe recorded or embodied.\n4. DOCUMENT - The term \"document\" as used herein means\nany recorded information regardless of its physical form or charac-\nteristics, and includes but is not limited to the following: (1)\nwritten material whether handwritten, printed, or typed; (2) all\npainted, drawn or engraved material; (3) all sound or voice recordings;\n(4) all printed photographs and exposed or printed film, still or\nmoving; and (5) all reproductions of the foregoing by whatever process.\n5. PRODUCT AND SUBSTANCE - The terms \"product\" and \"substance\"\nas used herein mean any item of material (other than documents) from\nwhich information may be obtained; apply to items in all stages of\ndevelopment, processing or construction; and include elements, ingre-\ndients, components, accessories, fixtures, dies, models and mock-ups\nTRUMAN\nassociated with such items.\nARCHIVES AND DISPART\n\"NATIONAL\nRECORDS\n6. CLASSIFIED INFORMATION - The term \"classified information\"\nSUVERNMENT\nas used herein means only official information, the safeguarding of\nwhich is necessary in the interest of national security.\n7. TOP SECRET - The term \"top secret\" as used herein means\ninformation and material, the security aspect of which is paramount\nand the unauthorized disclosure of which would cause exceptionally\ngrave damage to the nation.\n8. SECRET - The term \"secret\" as used herein means information\nand material the unauthorized disclosure of which would endanger\nnational security, or might cause serious injury to the interest or\nprestige of the nation.\n9. CONFIDENTIAL - The term \"confidential\" as used herein\nmeans information and material the unauthorized disclosure of which\nwould be prejudicial to the national security or the prestige of the\nnation.\n- 2 -\nRESTRICTED\nRESTRICTED\n10. RESTRICTED - The term \"restricted\" as used herein means\ninformation and material which requires security protection other than that\ndetermined to be \"Top Secret\", \"Secret\", or \"Confidential\". The term\n\"restricted\" as used herein shall not be confused with the term \"Restricted\nData\", defined in the Atomic Energy Act of August 1, 1946 (60 Stat. 766,\nC. 724, Sec. 10(b)(1); 42 USC Sec. 1810(b)(1)) as follows:\n\"The term 'Restricted Data' as used in this section\nmeans all data concerning the manufacture or utilization\nof atomic weapons, the production of fissionable material,\nor the use of fissionable material in the production of\npower, but shall not include any data which the Commission\nfrom time to time determines may be published without\nadversely affecting the common defense and security.\"\nNothing in these regulations shall be construed to authorize the classification\ndowngrading or declassification of \"Restricted Data\", except by the Atomic\nEnergy Commission as authorized by the Atomic Energy Act.\n11. UNCLASSIFIED INFORMATION - The term \"unclassified information\"\nas used herein means information requiring no security protection and there-\nfore not included in one of the aforementioned classifications.\n12. CRYPTOGRAPHIC SYSTEM - The term \"cryptographic system\" as used\nherein means any document, product or method employed to change information\nfrom plain language form to unintelligible form or to change the resulting\ncryptographed information into plain language form.\n13. REGISTERED MATTER - The term \"registered matter\" as used herein\nmeans that to which a register number is assigned and which is accounted\nfor at prescribed intervals and upon specified occasions; \"registered\nFRUMAN\n\"NATIONAL\nmatter\" shall not be confused with registered mail.\nARCHIVES AND\nLIBRARY\nRECORDS\n14. TELEGRAM - The term \"telegram\" as used herein means any\nGOVERNMENT\ndocument recording information for transmission by telegraph, telephone,\ncable, radio or other electrical means of transmission.\n15. CLASSIFY - The term \"classify\" as used herein means to\nassign information to one of the four classification categories after\ndetermination has been made that the information requires security protection.\n16. CLASSIFICATION - The term \"classification\" as used herein\nmeans the category into which information falls after being classified.\n- 3 -\nRESTRICTED\nRESTRICTED\n17. DECLASSIFY - The term \"declassify\" as used herein means\nto remove the security classification.\n18. DOWNGRADE - The term \"downgrade\" as used herein means to\nassign a lower classification than that previously assigned.\n19. UPGRADE - The term \"upgrade\" as used herein means to\nassign a higher classification than that previously assigned.\n20. APPROPRIATE CLASSIFYING AUTHORITY\nA.\nIn General. The term \"appropriate classifying authority\"\nas used herein means the head of the originating agency and those he\nhas authorized to classify, declassify, upgrade or downgrade information.\nB.\nMaterial Officially Transferred from Originating Agency\nto Another Agency. In the case of material transferred, by operation\nof law or by Executive Order, from one agency to another for the\nlatter's use and as part of its official files as distinguished from\ntransfers merely for purposes of storage, the receiving agency shall\nbe deemed to be the \"appropriate classifying authority\" for all pur-\nRUMAN\nposes under these regulations.\nARCHIVES AND LIBRARY\n\"NATIONAL\nREGORDS\nC. Material of Defunct Agency Not Officially Transferred to\nSERVICE\"\nGOVERNMENT\nAnother Agency. When any agency has in its possession, on the effec-\ntive date of these regulations, any material which is then, or there-\nafter becomes, five years old and it appears (1) that such material\noriginated in an agency which has since become defunct and whose\nrecords, files and other material have not been officially transferred\nto another agency within the meaning of subsection \"B\" above, or\n(2) that it is impossible for the possessing agency to identify the\noriginating agency, and (3) a review of the material indicates that\nit should be downgraded or declassified, the said possessing agency\nshall have power under these regulations to declassify or downgrade\nsuch material. If it appears probable that another agency may have\na substantial interest in the question whether the classification of\nany particular material should be maintained, the possessing agency\nshall not exercise the power conferred upon it by this subsection\nuntil thirty days after the possessing agency has notified such other\n- 4 -\nRESTRICTED\nRESTRICTED\nagency of the nature of the material and of its intention to declassify\nor downgrade the same. During the thirty-day period the other agency\nmay, if it so desires, express its objections to declassifying or\ndowngrading the particular material, but the power to make the ulti-\nmate decision shall reside in the possessing agency.\n21. MARKING - The term \"marking\" as used herein means the\nphysical act of indicating on classified material the assigned classi-\nfication or change therein.\n22. RECORD MATERIAL - The term \"record material\" as used\nherein means all books, papers, maps, photographs, or other documentary\nmaterials, regardless of physical form or characteristics, made or\nreceived by an agency of the United States Government in pursuance\nof Federal law or in connection with the transaction of public business\nand preserved or appropriated for preservation by that agency or its\nlegitimate successor as evidence of the organization, functions, policies,\noperations, decisions, procedures, or other activities of any agency of\nthe Government, or because of the informational value of the data con-\ntained therein.\n23. NON-RECORD MATERIAL - The term \"non-record material\" as\nused herein means extra copies and duplicates the use for which is\nessentially temporary; short-hand notes, used carbon paper; prelim-\ninary drafts; and other material of similar nature.\nSECTION II -- RESPONSIBILITIES\nHARRY U.S. ARCHIVES \"NATIONAL TRUMAN RECORDS AND LIBRARY\n24. ALL PERSONNEL IN THE EXECUTIVE BRANCH\nGOVERNMENT\nA. The responsibility for the maintenance of the security\nof classified information shall rest upon each individual in the\nexecutive branch having knowledge thereof, no matter how that infor-\nmation was obtained.\n- 5 -\nRESTRICTED\nRESTRICTED\nB. Each individual in the executive branch shall be directly\nresponsible for familiarizing himself with and adhering to all regu-\nlations applicable to him hich are issued to govern the security of\ninformation\n25. AUTHORITY FOR HEADS OF AGENCIES TO DELEGATE -- The head\nof an agency may delegate the performance of any or all of the functions\ncharged to him herein, but the ultimate responsibility for the safe-\nguarding of classified information within the agency shall remain with\nand rest upon the head of the agency, including:\nA. Such additional instructions on the safeguarding of\nclassified information as requirements of his agency may dictate.\nB. Security of his agency's messenger-courier systems for\ntransmission of classified material.\nC. Authorization of appropriate officials within his agency\nto classify information. Authorizations to classify information as\n\"Top Secret\" or \"Secret\" shall be held to the minimum necessary for the\nperformance of required activities, and shall be maintained at a high\nlevel within the agency. The authorizations to classify information\nas \"Top Secret\" shall be substantially more limited in number than\nthose for \"Secret\" and shall be restricted to those officials whose\nfunctional requirements are such that they must have that authority.\nD. Designation of those authorized to receive \"Top Secret\"\nmaterial.\nE. Designation of officials responsible for \"Top Secret\"\nCHATIONAL\nARCHIVES AND\nBRARY\nRECORDS\ncontrol.\nU.S.\nGOVERNMENT\nF. Designation of individuals to be responsible for the\nsecurity programs in the various organizational units of the agency.\nG. Appropriate investigation and clearance of personnel\nwho are to have access to classified material.\nH. Maintenance within his agency of a continuing review of\nthe use of classifications to insure uniform and proper application.\n- 6 -\nRESTRICTED\nRESTRICTED\nI. Procedures governing dissemination of classified informa-\ntion outside his agency.\nJ. Procedures governing changes in classification and the\ndestruction of classified material.\nK. Thorough indoctrination of all individuals of his agency\nin security regulations and procedures.\nL. Issuance of additional instructions pertaining to com-\nmunications security, registered matter, Restricted Date and other\nsubjects requiring additional regulations.\nSECTION III\nRULES GOVERNING CLASSIFICATION, UPGRADING,\nTRUMAN\nDOWNGRADING, AND DECLASSIFICATION\nAMOUNT\n\"NATIONAL\nARCHIVES AND\n26. GENERAL CLASSIFICATION PRINCIPLES\nRECORDS\nLIBRARY\nSERVICE\"\nA. Uniformity of application of classification.\nUniformity of application of classification shall be a requirement\nfor the proper safeguarding of classified information.\nIn the interest of preserving the integrity of the\nsecurity classifications \"Top Secret\", \"Secret\", \"Confidential\" and\n\"Restricted\" and to avoid confusion, these terms shall not be used\nalone or in combination with other words for the purpose of limiting\nthe dissemination of information other than in the interest of national\nsecurity.\nB. Use of Lowest Consistent Classification. To avoid\noverclassification and depreciation of the importance of properly\nclassified information and to avoid unnecessary dolay in the handling\nand transmission of documents and other material, information shall be\nassigned the lowest classification consistent with its proper\nprotection.\n- 7 -\nRESTRICTED\nRESTRICTED\n27. SPECIAL CLASSIFICATION RULES\nA. Change in Classification of Information. No change\nshall be made in the assigned classification of information without the\nconsent of appropriate classifying authority; extracts from or para-\nphrases of classified documents shall likewise be maintained in the\nassigned classification unless the consent of appropriate classifying\nauthority to downgrade or declassify such extract or paraphrase is\nsecured or unless the agency making such extracts knows positively\nthat they bear a classification lower than that of the document from\nwhich extracted or that they are not classified.\nB. Classified Telegrams shall not be referred to, ex-\ntracted from, paraphrased, downgraded, declassified and disseminated\nexcept in accordance with special regulations issued by the head of the\noriginating agency.\nClassified telegrams transmitted over cryptographic\nsystems shall be handled in accordance with the regulations of the\ntransmitting agency.\nC. Information Originated by a Foreign Government.\nARCHIVES GOVERNMENT \"NATIONAL TRUMAN RECORDS AND LIBRARY\nInformation of n classified nature originated by a foreign government\nand furnished to the United States by that government shall be placed\nin & classification category which will assure a degree of protection\nequivalent to or greater than that required by the originating govern-\nment.\nD. Documents in General. Documents shall be classified\naccording to their own content and not necessarily according to their\nrelationship to other documents. References to classified material\nwhich do not reveal classified information shall not be classified.\nE. Physically Connected Documents. The classification\nof a file or group of physically connected documents shall be that of\nthe most highly classified document therein. Documents separated from\nthe file or group shall be handled in accordance with their individual\nclassification.\n- 8 -\nRESTRICTED\nRESTRICTED\nF. Multiple Classifications. A document, product, or\nsubstance shall bear a classification at least as high as that of its\nhighest classified components. The document, product or substance shall\nbear only one overall classification, notwithstanding pages, paragraphs,\nsections, or components may bear different classifications.\nG. A Letter of Transmittal shall be classified at least\nas high as its highest classified enclosure.\n28. UPGRADING.\nA. When information is upgraded, the appropriate\nclassifying authority shall so notify all addressees to whom the in-\nformation was originall transmitted.\nB. If the recipient of information believes that its\nassigned classification is not sufficiently protective, he shall safe-\nguard it in accordance with the classification he deems appropriate\nand shall bring his reasons for such belief to the attention of appro-\npriate classifying authority with a request for upgrading.\nARCHIVES TRUMAN \"NATIONAL SERVICE\" RECORDS AND LIBRARY\n29. DOWNGRADING AND DECLASSIFICATION.\nGOVERNMENT\nA. Automatic. Wherever practicable, the classifying\nofficial shall place a notation on classified material, except telegrams,\nthat after a specified event or date, or upon removal of classified\nenclosures the material will be downgraded or declassified.\nB. Non-automatic. Appropriate classifying authority\nmay downgrade or declassify information when circumstances no longer\nwarrant its retention in its original classification. When material\nis downgraded or declassified the custodian of the record material,\nin the case of & document, or the custodian of the products or substances\nshall be SO informed; and, when practicable, the other recipients of\nthe material shall be similarly advised.\nC. Review of Assigned Classifications. It shall be\nthe responsibility and obligation of every government official to keep\nclassified information in his custody constantly under review and to\ninitiate action toward downgrading or declassification as soon as\nconditions warrant.\n- 9 -\nRESTRICTED\nRESTRICTED\nSECTION IV\nDISSEMINATION OF CLASSIFIED INFORMATION\n30. GENERAL - No person shall be entitled solely by virtue\nof his office or position to knowledge or possession of classified in-\nformation.\nThe safeguarding of classified information shall be the\nresponsibility of every individual into whose possession it comes.\nCare shall be exercised at all times not only to refrain from\ndiscussing classified information with or in the presence of unauthorized\npersons, but also to prevent inspection of or access to classified\ninformation by unauthorized persons.\nThe head of each agency shall provide a system for the\ncontrol of the dissemination of classified information adequate to the\nTRUMAN\nneeds of his agency.\nBARRY\nNATIONAL\nARCHIVES AND\n31. LIMITATIONS ON DISSEMINATION.\nRECORDS\nLIBRARY\nSERVICE\"\nA. Within the Executive Branch. The dissemination of\nGOVERNMENT\nclassified information shall be limited to persons whose official\nduties require knowledge of such information. Special measures shall\nbe employed to limit the dissemination of \"Top Secret\" information to\nthe absolute minimum. Only that portion of \"Top Secret\" information\nnecessary to the proper planning and appropriate action of any organi-\nzational unit or individual shall be released to such unit or individual.\nB. Outside the Executive Branch. Classified information\nshall not be disseminated outside the executive branch by any person or\nagency having access thereto or knowledge thereof except under conditions\nand through channels authorized by the head of the disseminating agency,\neven though such person or agency may have been solely or partly\nresponsible for its production.\n- 10 -\nRESTRICTED\nRESTRICTED\nC. Information Originating in Another Agency. Except\nas otherwise provided by Section 102 of the National Security Act\nof July 26, 1947, c.343, 61 Stat. 498, as amended, 50 U.S.C. Sec. 403,\nclassified information originating in another agency shall not be dis-\nseminated outside the receiving agency without the consent of the orig-\ninating agency.\n\"Top Secret\" and \"Secret\" documents and material shall\nnot be reproduced without the consent of the originating agency.\nD. Telephone Conversations. Classified information\nshall not be revealed over the telephone. The head of an agency may\npermit the practice, within his agency, of discussing information\nclassified as \"Restricted\" and originated within his own agency.\n32. LOSS OR SUBJECTION TO COMPROMISE. Any person in the\nexecutive branch who may have knowledge of the loss or possible sub-\njection to compromise of classified information shall promptly report\nthe circumstances to a designated official of his agency who shall take\nappropriate action, including advice to the originating office or\nagency.\nTRUMAN\nSECTION V\nHARRY\nARCHIVES \"NATIONAL RECORDS\nU.S.\nSERVICE\"\nLIBRARY\nRULES GOVERNING HANDLING OF CLASSIFIED MATERIAL\nGOVERNMENT\n(Including Marking, Transmission, Storage,\nand Destruction)\n33. MARKING - After determination of the classification\nto be assigned, classified material shall be marked in accordance with\nthe procedures set forth below. Existing \"Top Secret\" or \"Secret\"\nmaterial not now so marked shall be appropriately marked. Existing\n\"Confidential\" or \"Restricted\" material, adequately stored but not\nproperly marked, shall not be required to be marked until removed from\nsuch storage for use.\n- 11 -\nRESTRICTED\nRESTRICTED\nA. Documents\n(1) Bound Documents. The assigned classification\non bound documents, such as books or pamchlets, the pages of which are\npermanently and securely fastened together, shall be conspicuously\nmarked or stamped on the outside of the front cover, on the title\npage, on the first page, on the back page and on the outside of the\nback cover. In each case the markings shall be applied to the top\nand bottom of the page or cover.\n(2) Unbound Documents. The assigned classification\non unbound documents, such as letters, memoranda, reports, telegrams,\nand other similar documents, the pages of which are not permanently\nand securely fastened together, shall be conspicuously marked or\nstamped at the top and bottom of each page, in such manner that the\nmarking will be clearly visible when the pages are clipped or stapled\ntogether.\n(3) Charts, Maps, and Drawings. Classified charts,\nmaps, and drawings shall carry the classification marking under the\nlegend, title block, or scale in such manner that it will be reproduced\non all copies made therefrom. The classification shall also be marked\nat the top and bottom in each instance.\n(4) Photographs, Films and Recordings. Classi-\nfied photographs, films, and recordings, and their containers, shall\nbe conspicuously and appropriately marked with the assigned classi-\nfication.\nB. Products or Substances. The assigned classifi-\ncation shall be conspicuously marked on classified products or sub-\nstances, if possible; on their containers, if possible; or, if the\n- 12 -\nRUMAN\nRESTRICTED\nAXCHIVES AND LIBRARY\n\"NATIONAL\nRECEIVE\nGOVERNMENT\nESTRICTED\narticle or container cannot be marked, written notification of the\nassigned classification shall be furnished to recipients thereof.\nC. Additional Markings.\n(1) Material Furnished Persons not in Federal\nService. When classified material which contains information affecting\nthe national defense is furnished authorized persons other than those\nin the Federal Service, the following notation, in addition to the\nassigned classification marking shall whenever practicable be placed\non the material, on its container or on the written notification of\nTRUMAN\nits assigned classification:\nAROHIVES AND LIBRARY\nNATIONAL\n\"This material contains information affecting\nRECORDS\nthe national defense of the United States within\nthe meaning of the espionage laws, Title 18, U.S.C.,\nGOVERNMENT\nSecs. 793 and 794, the transmission or revelation\nof which in any manner to an unauthorized person\nis prohibited by law.\"\n34. TRANSMISSION\nA. Preparation of Classified Information for Transmission.\n(1) Outside an Agency.\n(a) Top Secret and Secret Material\n(i) \"Top Secret\" or \"Secret\" material\nshall be enclosed in opaque inner and outer covers.\n(ii) The inner cover shall be a sealed\nwrapper or envelope plainly marked with the assigned classification\nand address.\n(iii) The outer cover shall be sealed\nand addressed with no indication of the classification.\n- - 13 -\nRESTRICTED\nRESTRICTED\n(iv) There shall be attached to or en-\nclosed in the inner cover a receipt form containing no classified\ninformation but identifying the addressor, addressee and the document;\nsuch receipt will be signed by the proper recipient and returned to the\nsender.\n(v) Written material shall be protected\nfrom direct contact with the inner cover by a cover sheet or by folding\ninward.\n(b) Confidential Material\n(i) \"Confidential\" material shall be\nprepared for transmission in the same manner as that indicated for\n\"Top Secret\" and \"Secret\" material, except that it shall be covered\nby a receipt only when the sender deems it necessary.\n(c) Restricted Material\n(i) Restricted material shall be trans-\nmitted in a sealed wrapper or envelope without any indication of the\nclassification of the contents shown thereon.\n(ii) No receipt shall be required for\nRestricted material.\n(2) Within an Agency. Preparation of classified\ninformation for transmission within an agency shall be verned by\nregulations issued by the head of the agency to insure a degree of\nsecurity equivalent to that outlined above for transmission outside\nan agency.\nREATIONAL\nARDREWS AMD\nTECHADY\nLIBRARY\nB. Transmission of Classified Material.\n(1) Top Secret Material\nWERNMENT\n(a) The head of each agency shall designate\nTop Secret Control Officers to receive, maintain registers of,\nand dispatch all \"Top Secret\" material.\n(b) The transmission of \"Top Secret\" informa-\ntion shall be effected preferably by direct contact of officials con-\ncerned, and alternatively by specifically designated personnel, by\nState Department Diplomatic Pouch, by a messenger-courier system\nespecially cleared for that purpose, or by electrical means in en-\ncrypted form.\n- 14 -\nRESTRICTED\nRESTRICTED\n(c) Under no circumstances shall \"Top Secret\nmaterial be transmitted by mail or by any means not specified in the\npreceding paragraph. (34 B (1) (b)).\n(2) Secret Material shall be delivered within\nthe continental United States by one of the means established for\n\"Top Secret\" material, by an authorized courier or by United States\nregistered mail. Secret material may be transmitted outside the\ncontinental limits of the United States by one of the means established\nfor Top Secret material, by State Department diplomatic pouch, com-\nmanders or masters of vessels of United States registry, or by U.S.\nPost Office registered mail through Army, Navy or Air Force postal\nfacilities, provided that the material does not at any time pass out\nof United States Government control and does not pass through a foreign\npostal system (Secret matter may, however, be transmitted to and from\nUnited States Government installations in Canada and Alaska by United\nStates and Canadian registered mail with registered mail return receipt).\n(3) Confidential Material shall be delivered\nwithin the United States by one of the means established for higher\nclassifications, by authorized courier, or by ordinary mail. Outside\nthe continental United States, \"Confidential\" material shall be trans-\nmitted in the same manner as authorized for higher classifications.\n(4) Restricted Material shall be delivered within\nthe continental United States by any means authorized for higher\nclassifications or by ordinary mail, express or freight. \"Restricted\"\nmaterial shall be delivered outside the continental United States by\none of the means established for higher classifications. However,\nregistration of \"Restricted\" material shall not be required when trans-\nmitted by Army, Navy or Air Force postal channels.\n35. PHYSICAL SECURITY\nA. Storage Facilities. Classified material not in\nactual use by or under direct observation of an authorized person in\nthe same room shall be stored as set forth below:\n- 15 -\nBARRY Address WATER CORE\nSARVICE\nRESTRICTED\nRESTRICTED\n(1) Top Secret Material shall be stored in the\nmost secure facilities available. Such matter normally will be stored\nin a safe, steel file cabinet, or other steel container having a\nthree position dial-type combination lock and of such weight, size,\nconstruction, or installation as to minimize possibility of physical\ntheft or damage by fire or tampering. In lieu of such a container,\nthe matter may be stored in a secure room or vault which is approved\nfor such use by the head of the agency and which is securely locked\nwhen not in use. Such approval shall not be construed to relieve the\ncustodian of any responsibility for the safety of the classified matter.\nIf the foregoing safeguards are not available, matter so classified\nshall be kept under surveillance of an armed guard when not in use.\n(2) Secret and Confidential Material shall be\nstored in a manner authorized for \"Top Secret\" material, or in metal\nfile cabinets equipped with a steel lockbar and approved three combi-\nnation dial-type padlock from which the manufacturer's identification\nnumbers have been obliterated or in comparably secure facilities\n\"MATIONAL\nARGHIVES AND\napproved by the head of the agency.\nGOVERNMENT\n(3) Restricted Material may be stored in a manner\nauthorized for higher categories of classified material, but ordin-\narily shall be stored in a container equipped with a reasonably secure\nlocking device or other storage facility of comparable security approved\nby the head of the agency.\nB. Inspections\n(1) It shall be the responsibility of the\nindividuals charged with the custody of classified material to\naccomplish the necessary inspections within his area to insure\nthat all security precautions are taken to protect such information\nat all times.\n(2) In each agency, individuals shall be desig-\nnated to make inspections on a room or area basis to insure that all\nclassified material has been properly and safely stored.\n- 16 -\nRESTRICTED\nRESTRI\nC. Safe Combinations\n(1) Safe combinations shall be changed at least\nonce a year; whenever a person knowing the combination is transferred\nfrom the office to which the safe is assigned; when a safe is first\nbrought into an office; when the combination has been subjected to\ncompromise and at such other times as deemed necessary.\n(2) Knowledge of combinations shall be limited\nto the minimum necessary for operating purposes.\n(3) Safe combinations shall be given a classi-\nfication equivalent to that of the most highly classified material\nauthorized by these regulations to be contained in the safe.\n36. DESTRUCTION OF CLASSIFIED MATERIAL\nA. Types of Material Which May Be Destroyed\n(1) Record Material may be destroyed only in\naccordance with the Act of July 7, 1943, as amended, 44 USC Secs. 366-380.\n(2) Non-Record Material may be destroyed as soon\nas it has served its purpose.\nB. Methods of Destruction. Classified record material,\nthe destruction of which has been authorized, and classified non-record\nmaterial shall be destroyed by the following methods under procedures\nestablished by the head of the agency.\n(1) Top Secret, Secret and Confidential Documents\nshall be destroyed by burning; products and substances by an equally\ncomplete method of destruction; in each case in the presence of an\nappropriate official. Under the most unusual circumstances the head\nof an agency may authorize destruction of documents other than by\nburning, provided the resulting destruction is equally complete.\n(2) Restricted Material shall be destroyed by\nburning, shredding or reduction to pulp, or an equally complete method\nof destruction.\nC. Records of Destruction. Appropriate records of\ndestruction of material classified \"Top Secret\" and \"Secret\" shall be\nmaintained in accordance with procedures established by the head of\nthe agency.\n- 17 -\nRESTRICTED\nRESTRICTS\nSECTION VI\nINTERPRETATION OF REGULATIONS BY\nTHE ATTORNEY GENERAL\n1. The Attorney General, upon request of the head of a\ndepartment or agency or his duly designated representative, shall\npersonally or through authorized representatives of the Department\nof Justice render an interpretation of these regulations in connec-\ntion with any problems arising out of their administration.\nBARRY ARCHIVES AND RECORDS TRUMAN TIRELITY\nU.S. SERVICE\" GOVERNMENT\nTHE WHITE HOUSE\n, 1950\n- 18 -\nRESTRICTED"
}