PUBLIC LAWS-CH. 722-SEPT. 18 , 1940 to all persons summoned by subpena or otherwise to attend and testify or to produce books, papers, correspondence, memoranda, contracts, agreements, or other records and documents before the Board. preliminary report SEm. 305. On or before May 1, 1941? the Board shall transmit to and to Congress. the President and to the Congress preliminary reports of the studies and investigations carried on by it, together with such findings and Annual report, etc. recommendations as it is by that time prepared to make. In addition to such preliminary reports the Board shall submit to the President and to the Congress an annual report, a final report, and such other reports as it may deem necessary, of the studies and investigations carried out by it pursuant to the provisions of this section, together with its findings and recommendations based thereon. Termination. SEc. 306 . This part shall cease to have effect at the end of two years after its enactment unless extended by a proclamation of the President for an additional period which shall not exceed two years. PART II-RATES ON GOVERNMENT TRBAmo GOVERNMENT TO PAY FULL RATES Government to pay SEc. 321. (a) Notwithstanding any other provision of law, but An, p.O . subject to the provisions of sections 1 (7) and 22 of the Interstate Commerce Act, as amended, the full applicable commercial rates, fares, or charges shall be paid for transportation by any common carrier subject to such Act of any persons or property for the United Exception. States, or on its behalf, except that the foregoing provision shall not apply to the transportation of military or naval property of the United States moving for military or naval and not for civil use or to the transportation of members of the military or naval forces of the United States (or of property of such members) when such mem- Transportation of bers are traveling on official duty; and the rate determined by the . Sm a Interstate Commerce Commission as reasonable therefor shall be paid Provitos. for the transportation by railroad of the United States mail: Pro- contrc vided, however, That any carrier by railroad and the United States may enter into contracts for the transportation of the United States Advertising forbids. mail for less than such rate: Provided further, That section 3709, Revised Statutes (U. S. C., 1934 edition, title 41, sec. 5), shall not hereafter be construed as requiring advertising for bids in connec- tion with the procurement of transportation services when the services required can be procured from any common carrier lawfully operat- ing in the territory where such services are to be performed. of cadrriergratee (b) If any carrer by railroad furnishing such transportation, or any predecessor in interest, shall have received a grant of lands from the United States to aid in the construction of any part of the railroad operated by it, the provisions of law with respect to compensation for such transportation shall continue to apply to such transportation as though subsection (a) of this section had not been enacted until such carrier shall file with the Secretary of the Interior, in the form and ageleaseof claim manner prescribed by him, a release of any claim it may have against the United States to lands, interests in lands, compensation, or reim- bursement on account of lands or interests in lands which have been granted, claimed to have been granted, or which it is claimed should have been granted to such carrier or any such predecessor in interest under any grant to such carrier or such predecessor in interest as aforesaid. Such release must be filed within one year from the date of toland o patnt the enactment of this Act. Nothing in this section shall be construed as requiring any such carrier to reconvey to the United States lands which have heretofore patented or certified to it, or to prevent the issuance of patents confirming the title to such lands as the Secretary 954 [54 STAT.