1976—Pub. L. 94–450 substituted “three one-thousandth parts” for “one-half of one carat”, “in an article mentioned in this section” for “in such article”, “than three one-thousandth parts, in the case of a watchcase or flatware, or than seven one-thousandth parts, in the case of any other such article,” for “than one carat”, struck out “in the case of any article mentioned in this section” which followed “Provided, further, That”, and exception which permitted the actual fineness of gold or its alloys used for watchcases and flatware to be not less by more than three one-thousandth parts the fineness indicated by stamp or label.

Section 3 of Pub. L. 94–450 provided that: “The amendments made by section 2 of this Act [amending this section] shall take effect five years after the date of enactment of this Act [Oct. 1, 1976] and shall not apply with respect to any article of merchandise which is sold by any manufacturer or importer before the effective date of such amendments.”