54 STAT.] 76TH CONG. , 3D SESS.-CHS. 761, 762-OCT. 8 , 1940 ment of structures shall be furnished by local or State authorities without cost to the United States Government, and, upon approval thereof by the Commissioner of Indian Affairs, actual work shall pro- ceed under the 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 appropriated pursuant to this Act may be used as sponsors' contribu- tions for the construction, extension, equipment, and improvement of the said public-school facilities approved and carried on under funds of the Work Projects Administration: Provided further, That no funds available under this Act shall be expended for improvements to existing buildings which belong to a school district and which are on tribal land or for construction of new buildings on tribal land until the tribe shall have issued to the school district a permit approved by the Commissioner of Indian Affairs authorizing the use of the tracts required as school sites for so long as the land shall be used for school purposes by the school district and agreeing that the improvements and buildings shall be and remain the property of the school district. Title to improvements and to new buildings shall remain in the United States until recoupment of expenditures by the United States as pro- vided in this Act. Upon recoupment, improvements made and new buildings constructed shall become the property of the school district: Provided further, That any amount expended for improvements to existing buildings belonging to the school district or for the construc- tion of new buildings 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 without 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: And provided further, That not to exceed 10 per centum of the amount allocated to any one of the above-named districts may be transferred, in the discretion of the Commissioner of Indian Affairs, to the allocation for any other district, but no project shall be increased more than 10 per centum by any such transfer. Approved, October 8, 1940. [CHAPTER 762] AN ACT Relating to the status of retired officers of the Army, Navy, Marine Corps, and Coast Guard of the United States, and to amend section 113 of the Criminal Code. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That section 113 of the Criminal Code is hereby amended by inserting at the end thereof the following: "Retired officers of the Army, Navy, Marine Corps, and Coast Guard of the United States, while not on active duty, shall not by reason of their status as such be subject to the provisions of this section: Pro- vided, That nothing herein shall be construed to allow any retired officer to represent any person in the sale of anything to the Government through the department in whose service he holds a retired status" Approved, October 8, 1940. 1021 Use of funds as sponsors' contribu- tions. Permits authorizing use of tribal lands. Title to improve- ments, etc. Recoupment by U.S . Transferof allocated funds, limitation. October ., IO4 [11. It. 1)241 T'ubllc, No. tMIT Criminal Code, amendment. 35 Stat. 1109. 18S.S. C.§ 201. Exemption of re- tired officers. Prorio. Representation in sales to Government.