PUBLIC LAWS-CH. 149-MAY 25, 1939 52 Stat. 688. Proviso. Group IV (b) em- ployees. Construction and machinery. Commencement of designated vessels. 52 Stat. 401. Prorisos. Group IV (b) em- ployees. Technical services, etc. Armor, armament, and ammunition. Post, p . 1322. Proviso. Group IV (b) em- ployees. Designated appro- priations not avail- able for ships com- missioned prior to July 1, 1938. Purchase of letters patent, etc. June 15, 1938 (52 Stat. 688), $4,000,000, to remain available until expended: Provided, That the sum to be paid out of the amount available for expenditure under this head for the fiscal year 1940 for employees in the field service assigned to group IV (b) and those performing similar services carried under native and alien schedules in the Schedule of Wages for Civil Employees in the Field Service of the Navy Department shall not exceed 5 per centum of the aggregate amount available under this heading on July 1, 1939. REPLACEMENT OF NAVAL VESSELS Construction and machinery: On account of hulls and outfits of vessels and machinery of vessels heretofore authorized (and appro- priated for in part), and for the commencement of the following vessels authorized by the Act approved May 17, 1938 (52 Stat. 401-403), two battleships, two cruisers of subcategory (b), eight destroyers, eight submarines, two small seaplane tenders, and one repair ship, $207,593,712, to remain available until expended: Provided, That the sum to be paid out of the amount available for expenditure under the head of "Construction and machinery" for the fiscal year 1940 for employees in the field service assigned to group IV (b) and those performing similar services carried under native and alien schedules in the Schedule of Wages for Civil Employees in the Field Service of the Navy Department shall not exceed 5 per centum of the aggregate amount available under this heading on July 1, 1939: Provided further That, of the appropriations made available by this Act under the head of "Replacement of naval vessels", there shall be available such sums as the Secretary of the Navy may from time to time determine to be necessary for the engagement of technical services, and the employment of personnel in the Navy Department and in the field, the purchase of plans drafting and other supplies, telephone and telegraph expenses, and the expenses of printing and travel, in addition to those otherwise provided for, owing to the construction of vessels which have been or may hereafter be authorized. Armor, armament, and ammunition: Toward the armor, arma- ment, and ammunition for vessels hereinbefore described under the head of "Construction and machinery", $46,011,000, to remain available until expended: Provided, That the sum to be paid out of the amount available for expenditure under this head for the fiscal year 1940 for employees in the field service assigned to group IV (b) and those performing similar services carried under native and alien schedules in the Schedule of Wages for Civil Employees in the Field Service of the Navy Department shall not exceed 5 per centum of the aggregate amount available under this heading on July 1, 1939. Neither the appropriation "Replacement of naval vessels, construc- tion and machinery", nor the appropriation "Replacement of naval vessels, armor, armament, and ammunition", shall be available for obligation for any purpose as to ships commissioned prior to July 1, 1938, nor as to any ship commissioned subsequent to such date after twelve months shall have elapsed from commissioning date. GENERAL PROVISIONS The appropriations made in this Act for the purchase or manu- facture of equipment or material or of a particular class of equip- ment or material shall be available for the purchase of letters patent, applications for letters patent, licenses under letters patent, and applications for letters patent that pertain to such equipment or material for which the appropriations are made. 778 [53 STAT.
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