31 U.S.C. § 5113 : US Code - Section 5113: Tolerances and testing of coins

Search 31 U.S.C. § 5113 : US Code - Section 5113: Tolerances and testing of coins

(a) The Secretary of the Treasury may prescribe reasonable
manufacturing tolerances for specifications in section 5112 of this
title (except for specifications that are limits) for the dollar,
half dollar, quarter dollar, and dime coins. The weight of the 5-
cent coin may vary not more than 0.194 gram. The weight of the one-
cent coin may vary not more than 0.13 gram. Any gold coin issued
under section 5112 of this title shall contain the full weight of
gold stated on the coin.
(b) The Secretary shall keep a record of the kind, number, and
weight of each group of coins minted and test a number of the coins
separately to determine if the coins conform to the weight
specified in section 5112(a) of this title. If the coins tested do
not conform, the Secretary -
(1) shall weigh each coin of the group separately and deface
the coins that do not conform and cast them into bars for
reminting; or
(2) may remelt the group of coins.