61 STAT.] 80TH CONG. , IST SESS.-CH. 324-JULY 25, 1947 NATIONAL ZOOLOGICAL PARK For expenses necessary for the National Zoological Park, including erecting and repairing buildings; care and improvement of grounds; travel, including travel for the procurement of live specimens; pur- chase, care, and transportation of specimens; purchase of motorcycles; revolvers and ammunition; purchase of uniforms and equipment for police, and uniforms for keepers and assistant keepers; $455,400, no part of which sum shall be available for architect's fees or compensation. GENERAL PROVISIONS SEC. 2 . Vouchers in payment of obligations incurred by the Health Department and Public Welfare pursuant to the appropriations con- tained in this Act shall be certified as lawfully payable in the depart- ment, board, or office responsible for the incurring of the obligations; thereafter the vouchers shall be audited before payment by or under the jurisdiction only of the Auditor for the District of Columbia and the vouchers as approved may be paid by checks issued by the Disburs- ing Officer without countersignature. SEC. 3. No part of any appropriation contained in this Act or authorized hereby to be expended shall be used to pay the compensa- tion of anyofficer or employee of the Government of the United States, or of the District of Columbia unless such person is a citizen of the United States, or a person in the service of the United States or the District of Columbia on the date of the approval of this Act who being eligible for citizenship had theretofore filed a declaration of intention to become a citizen or who owes allegiance to the United States. This section shall not apply to citizens of the Commonwealth of the Philippines or nationals of those countries allied with the United States in the prosecution of the war effort. SEC. 4 . No part of any appropriation contained in this Act shall be used to pay the salary or wages of any person who engages in a strike against the Government of the United States or the Govern- ment of the District of Columbia or who is a member of an organiza- tion of Government employees that asserts the right to strike against the Government of the United States or the Government of the Dis- trict of Columbia, or who advocates, or is a member of an organiza- tion that advocates, the overthrow of the Government of the United States by force or violence: Provided, That for the purposes hereof an affidavit shall be considered prima facie evidence that the person making the affidavit has not contrary to the provisions of this section engaged in a strike against the Government of the United States or the Government of the District of Columbia, is not a member of an organization of Government employees that asserts the right to strike against the Government of the United States or the Govern- ment of the District of Columbia, or that such person does not advo- cate, and is not a member of an organization that advocates, the over- throw of the Government of the United States by force or violence: Provided further, That any person who engages in a strike against the Government of the United States or the Government of the Dis- trict of Columbia or who is a member of an organization of Govern- ment employees that asserts the right to strike against the Govern- ment of the United States or the Government of the District of Columbia, or who advocates, or who is a member of an organization that advocates, the overthrow of the Government of the United States by force or violence and accepts employment the salary or wages for which are paid from any appropriation contained in this Act shall be guilty of a felony and, upon conviction, shall be fined 447 Vouchers. Citizenship require- ment. Exceptions. Persons engaging, etc., in strikes against or advocating over- throw of U. S . Govern- ment. Affidavit. Penalty.
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