1. Government contracts. No. 504 (amended as of June 1942), regulations prescribed by Secretary of Labor under Public act 846, 74th Congress [act to provide conditions for purchase of supplies and making of contracts by United States], (series A). Bookmark Corporate/Agency Authors: Public Contracts Division and Labor Department Publisher: Public Contracts Division Date: [1942.] SuDoc number: L 18.6:C 76/ser.A/942