Contract Work Hours and Safety Standards Act For any federally assisted contract, in excess of one hundred thousand dollars ($100,000), that involves the employment of mechanics or laborers, the contractor, subcontractor, subrecipient shall comply with all of the requirements of the Contract work Hours and Safety Standards Act (40 U.S.C. 3702 and 3704), as supplemented by Department of Labor Regulations (29 CFR Part 5). Xxxx Anti-Lobbying Amendment (31 U.S.C. 1352) - Contractors that apply or bid for an award exceeding one hundred thousand dollars ($100,000) must file the required certification. Each tier certifies to the tier above that it will not and has not used Federal appropriated funds to pay any person or organization for influencing or attempting to influence an officer or employee of any agency, a member of Congress, officer or employee of Congress, or an employee of a member of Congress in connection with obtaining any Federal contract, grant or any other award covered by 31 U.S.C. 1352. Each tier must also disclose any lobbying with non-Federal funds that takes place in connection with obtaining any Federal award. Such disclosures are forwarded from tier to tier up to the non-Federal award.