Sections 2207, 2304 (a), 2306 (a), 2306 (b), 2306 (e), 2306a, and 2313 of this title and section 3741 of the Revised Statutes (41 U.S.C. 22) shall not apply to acquisitions made under the authority of section 2341 of this title or to agreements entered into under section 2342 of this title.