708 Payment for work. Sponsors' contribu- tion. Recoupment by U.S. Interest on unre- couped balances. PUBLIC LAWS-CHS. 497-499-JULY 1, 1940 direction of such local or State officials. Payment for work in place shall be made monthly on vouchers properly certified by local officials of the Indian Service: Provided further, That funds thus appropri- ated may be used as sponsors' contribution for the construction, exten- sion, equipment, and improvement of the said public-school facilities approved and carried on under funds of the Work Projects Adminis- tration: And provided further, That any amount expended on any project hereunder shall be recouped by the United States within a period of thirty years, commencing with the date of occupancy of the project, through reducing the annual Federal payments for the educa- tion of Indian pupils enrolled in public or high schools of the district involved, or by the acceptance of Indian pupils in such schools with- out cost to the United States, and in computing the amount of recoupment for each project interest at 3 per centum per annum shall be included on unrecouped balances. Approved, July 1, 1940. [CHAPTER 498] July 1, 1940 [H. R . 71161 [Public, No. 697] 44 Stat. 1021. Colorado River. Annual appropria- tion for front work, etc. AN ACT To authorize defraying cost of necessary work between the Yuma project and Boulder Dam. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the provision of the Act entitled "An Act authorizing the construction, repair, and preservation of certain public works on rivers and harbors, and for other purposes", approved January 21, 1927, is amended to read as follows: "There is hereby authorized to be appropriated, out of any moneys in the Treasury of the United States not otherwise appropriated, for the fiscal year ending June 30, 1928, and annually thereafter, the sum of $100,000, or so much thereof as may be necessary, to be spent by the Reclamation Bureau under the direction of the Secretary of the Interior to defray the cost of operating and maintaining the Colo- rado River front work and levee system adjacent to the Yuma Fed- eral irrigation project in Arizona and California and to defray the cost of other necessary protection works and systems along the Colorado River between said Yuma project and Boulder Dam." Approved, July 1, 1940. [CHAPTER 499] July 1, 1940 [H. R. 9765] [Public, No. 698] Red cedar shingles. Investigation by U. S . Tariff Commis- sion. Report of excess im- ports to President. AN ACT To provide for exercising the right with respect to red cedar shingles reserved in the trade agreement concluded November 17, 1938, between the United States of America and Canada, and for other purposes. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That (a) the United States Tariff Commission is hereby directed to conduct an investigation as soon as practicable after the close of the calendar year 1939 and each calendar year thereafter, for the purpose of ascertaining the quantities of red cedar shingles shipped by pro- ducers in the United States and the quantities of imported red cedar shingles entered for consumption, or withdrawn from warehouse for consumption, during each of the three calendar years immediately preceding any such investigation. (b) If the Commission finds, on the basis of an investigation under subdivision (a) of this section, that in any calendar year after 1938 the quantity of imported red cedar shingles entered for consumption, or withdrawn from warehouse for consumption, was [54 STAT.
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