39 U.S. Code § 3641 - Market tests of experimental products
 So in original. Probably should be section “3633(a)(3)”.
Section 3 of the Small Business Act, referred to in subsec. (h), is classified to section 632 of Title 15, Commerce and Trade.
2006—Pub. L. 109–435 amended section generally. Prior to amendment, section consisted of subsecs. (a) to (f) relating to temporary changes in rates and classes.
1976—Subsec. (a). Pub. L. 94–421 added subsec. (a). Former subsec. (a) redesignated (e) and amended.
Subsec. (b). Pub. L. 94–421 added subsec. (b). Former subsec. (b) redesignated (f).
Subsec. (c). Pub. L. 94–421 substituted provision limiting the temporary rate increase to an amount no greater than the permanent fee requested for that class or service, for provision which limited a temporary increase to the lesser of either the rate or fee requested or an amount more than one-third greater than the permanent fee in effect for that class or service at the time a permanent change is requested.
Subsec. (d). Pub. L. 94–421 added subsec. (d).
Subsec. (e). Pub. L. 94–421 redesignated former subsec. (a) as (e) and struck out reference to requests for decisions on change in the rates of postage or fees for postal service.
Subsec. (f). Pub. L. 94–421 redesignated former subsec. (b) as (f).