1976—Pub. L. 94–455 struck out “or his delegate” after “Secretary” wherever appearing.

1958—Subsec. (a). Pub. L. 85–859, § 165(b), struck out provisions which authorized the Secretary to make allowances for or redeem stamps which through mistake may have been improperly or unnecessarily used, or where the rates or duties represented thereby have been excessive in amount, paid in error, or in any manner wrongfully collected.

Subsec. (c). Pub. L. 85–859, § 165(c), inserted “under this section” after “shall be allowed”.

Amendment by Pub. L. 85–859 effective on first day of first calendar quarter which begins more than 60 days after Sept. 2, 1958, see section 1(c) of Pub. L. 85–859.