CODIFICATION: In § 26.5 the sentence set forth above was added immediately after the first sentence, 24 F.R. 1570, Mar. 3, 1959. § 26.6 Marking, sealing, and depositing.

(a) Place the word "Airmail" prominently on the address side of flat mail preferably below the stamps and above the address, and on the top, bottom, and sides of parcels. The return address of the sender must be shown on the address side of each air parcel mailed at zone rates of postage.

[Paragraph (a) amended, 24 F.R. 6808, Aug. 21, 1959]

(d) Use envelopes printed with special airmail design for airmail only. Their use for mail not intended for air transmission is not permissible.

[Paragraph (d) added, 21 F. R. 7186, Sept. 21, 1956]

27.8 Pan America Union and Pan American Sanitary Bureau.

AUTHORITY: §§ 27.1 to 27.8 issued under R.S. 161, as amended, sec. 1303 (d), 40 Stat. 1141, as amended; secs. 501, 2303, 4151-4156, 4158-4168, Pub. Law 86-682 (74 Stat. 580, 599, 600, 660-663); 2 U.S.C. 277, 5 U.S.C. 22, 39 U.S.C. 501, 2303, 4151-4156, 4158-4168.

SOURCE: §§ 27.1 to 27.8 appear at 25 F.R. 12348, Dec. 2, 1960.

NOTE: For amendments to this part prior to this revision see List of Sections Affected at the end of this pocket supplement. § 27.1 Members of Congress.

(a) Collection of postage. Postage on mail sent under the franking privilege by the Vice President, Members and Members-elect of Congress, the Resident Commissioner from Puerto Rico, the Secretary of The Senate, Sergeant at Arms of the Senate, and the Clerk of the House of Representatives is paid annually by a lump sum to the Post Office Department.

(b) Description. Official mail of Members of Congress is sent without prepayment of postage bearing written signature or a printed facsimile signature instead of a postage stamp. Mail accepted under frank, and the officials authorized to use franked mail, are shown in paragraph (c) of this section. (c) Authorized users.

sults or researches and experiments, including lists of publications available for distribution, when mailed by agricultural experiment stations designated by the act of March 2, 1887, as amended by the act of August 11, 1955, as follows:

The officer in charge of a station that claims the privilege of sending materials without prepayment of postage through the mail must file an application with the Bureau of Operations, Postal Services Division, through the post office where the station is located, stating the date of establishment of the station, its name or designation, its official organization, the names of its officers, the name of the college, school or institution to which it is attached, if any, the legislation of the State or Territory providing for its establishment, and any other legislation granting it the benefits of the act of Congress referred to in this section.

(4) Annual reports of Governmentaided colleges established under the act of July 2, 1862, when addressed to the Secretary of the Interior, the Secretary of Agriculture, and to any other Government-aided college. The postmaster receiving the annual reports from an officer of the college will use a post office penalty envelope or label to send it through the mail.

(5) Copyright material sent to the Register of Copyrights with claim for registration, as follows:

(i) Postmasters receiving the claim for registration and any articles that are required to accompany the claim will use a post office penalty envelope or label to send the matter to the Register of Copyrights, Washington 25, D.C.

(ii) If requested to do so, the postmaster will give a receipt for articles delivered to him to accompany a claim for registration.

(iii) When desired, the person submitting copyright matter to the postmaster may also present the fee for copyright registration enclosed in a sealed envelope addressed to Register of Copyrights, Washington 25, D.C., which must have postage prepaid at the letter rate. The postmaster, after canceling the postage stamps, will enclose the envelope containing the fee together with the copyright material in the post office penalty envelope sent to the Register of Copyrights.

(iv) Matter for copyright enclosed in post office penalty envelopes will not be sent by registered mail unless the registry fee is prepaid.

Army, Department of.
Atomic Energy Commission.
Bureau of the Budget.
Bureau of Prisons (or FBP).
Civil Service Commission.
Civil Aeronautics Board.
Coast Guard.

Commerce, Department of.
Council of Economic Advisers.
Development Loan Fund.
Employment Security Mail.
Federal Aviation Agency.
Federal Bureau of Investigation.
Federal Home Loan Bank Board.
Federal Housing Administration.
Federal Mediation and Conciliation Serv-
ice.

Federal National Mortgage Association.
Federal Power Commission.

Federal Reserve System, Board of Governors of the.

Federal Trade Commission.

General Services Administration.

Health, Education, and Welfare, Department of.

Housing and Home Finance Agency.
Immigration and Naturalization Service.
Interior, Department of.

Internal Revenue Service.

International Cooperation Administration. Interstate Commerce Commission.

Justice, Department of.

Labor, Department of.

Library of Congress.

Marine Corps.

National Aeronautics and Space Agency.

National Capital Housing Authority.

National Gallery of Art.

National Institutes of Health.

National Labor Relations Board.

National Science Foundation.

Navy, Department of.

Panama Canal Company.

President's Committee on Employment of
the Physically Handicapped.
President's Council on Youth Fitness.
Public Housing Administration.
Railroad Retirement Board.

Saint Lawrence Seaway Development
Corporation.