PUBLIC LAWS-CHS. 690, 691-AUG. 11, 1939 Replacement. applicable treaty; when necessary to prevent deterioration, the Com- modity Credit Corporation or other governmental agency is authorized to replace those quantities of the reserve stocks of such strategic and critical materials subject to deterioration with equivalent quantities of Funds available. the same materials. The funds now or hereafter made available to the Commodity Credit Corporation are hereby made available to carry Appropriation au- out the purposes of this Act. There is hereby authorized to be appro- thorized. priated such additional sums as may be required to carry out the pro- visions of this Act. All funds for carrying out the provisions of this Act shall be available for allotment to bureaus and offices of the Depart- ment of Agriculture, and for transfer to such other agencies of the Federal Government as the Secretary of Agriculture may request to cooperate or assist in carrying out the provisions of this Act. Approved, August 11, 1939. [CHAPTER 691] August 11, 1939 [S. 2745] [Public, No. 388] District of Colum- bia. Regulations for pre- vention of spread of certain diseases, au- thorized. Penalty for violation of regulation. Jurisdiction. Effective date. Repeal of desig- nated Acts. 29 Stat. 635. 34 Stat. 889. 35 Stat. 126. 43 Stat. 1001. AN ACT To authorize the Commissioners of the District of Columbia to make regulations to prevent and control the spread of communicable and preventable diseases. Be it enacted by the Senate and House of Representatives of the United States of America in Congress assembled, That the Commissioners of the District of Columbia are hereby authorized and empowered to promulgate and enforce all such reasonable rules and regulations as they may deem necessary to prevent and control the spread of communicable and preventable diseases in the District of Columbia. SEC. 2. The said Commissioners are authorized to prescribe a rea- sonable penalty of fine, not to exceed $100, or of imprisonment, not to exceed thirty days, or both, for the violation of any rule or regu- lation promulgated under the authority of this Act, and all prose- cutions for violations of such rules and regulations shall be in the police court of the District of Columbia in the name of the District of Columbia upon information filed by the corporation counsel of the District of Columbia or any of his assistants. SEC. 3 . This Act shall take effect from and after ninety days after its passage and approval, and from and after the expiration of said period the following Acts are hereby repealed: An Act entitled "An Act to prevent the spread of contagious dis- eases in the District of Columbia", approved March 3, 1897 (29 Stat. 635); An Act entitled "An Act for the prevention of scarlet fever, diph- theria, measles, whooping cough, chicken pox, epidemic cerebrospinal meningitis, and typhoid fever in the District of Columbia", approved February 1, 1907 (34 Stat. 889); An Act entitled "An Act to provide for registration of all cases of tuberculosis in the District of Columbia, for free examina- tion of sputum in suspected cases, and for preventing the spread of tuberculosis in said District", approved May 13, 1908 (35 Stat. 126); and An Act entitled "An Act for the prevention of venereal diseases in the District of Columbia, and for other purposes", approved February 26, 1925 (43 Stat. 1001). Approved, August 11, 1939. 1408 [53 STAT.