7 U.S.C. § 2225a
Contracts for consulting services
On and after October 28, 1991 , the expenditure of any appropriation for the Department of Agriculture for any consulting service through procurement contract, pursuant to 5 U.S.C. 3109 , shall be limited to those contracts where such expenditures are a matter of public record and available for public inspection, except where otherwise provided under existing law, or under existing Executive order issued pursuant to existing law.
( Pub. L. 102–142, title VII, § 701 , Oct. 28, 1991 , 105 Stat. 911 .)