1. Prohibition on per diem allowance reductions based on the duration of temporary duty assignment or civilian travel (a) Members Section 474(d)(3) of title 37, United States Code, is amended by adding at the end the following new sentence: The Secretary of a military department shall not alter the amount of the per diem allowance, or the maximum amount of reimbursement, for a locality based on the duration of the temporary duty assignment in the locality of a member of the armed forces under the jurisdiction of the Secretary. . (b) Civilian employees Section 5702(a)(2) of title 5, United States Code, is amended by adding at the end the following new sentence: The Secretary of Defense shall not alter the amount of the per diem allowance, or the maximum amount of reimbursement, for a locality based on the duration of the travel in the locality of an employee of the Department. . (c) Repeals (1) Existing policy and regulations The policy, and any regulations issued pursuant to such policy, implemented by the Secretary of the Department of Defense on November 1, 2014, with respect to reductions in per diem allowances based on duration of temporary duty assignment or civilian travel shall have no force or effect. (2) Attempted statutory fix Section 672 of the National Defense Authorization Act for Fiscal Year 2017 ( Public Law 114–328 ; 37 U.S.C. 474 note; 130 Stat. 2178) is repealed.