1993—Subsecs. (c), (e). Pub. L. 103–80 substituted reference to section 553 of title 5 for “section 4 of the Administrative Procedure Act (5 U.S.C. 1003)”.

1976—Subsec. (a). Pub. L. 94–295 substituted “drug or device” for “drug” wherever appearing.

Subsec. (b). Pub. L. 94–295 substituted “National Formulary, and all supplements thereto, and at such times as he may deem necessary shall cause a review to be made of the official names by which devices are identified in any official compendium (and all supplements thereto)” for “National Formulary, and all supplements thereto,”.

Subsec. (c)(2). Pub. L. 94–295 inserted “or device” after “single drug”, and “or to two or more devices which are substantially equivalent in design and purpose” after “purity,”.

Subsec. (c)(3). Pub. L. 94–295 inserted “or device” after “useful drug” and after “drug or drugs” wherever appearing.

Subsec. (d). Pub. L. 94–295 inserted “or devices” after “drugs”.

Subsec. (e). Pub. L. 94–295 substituted “drug or device” for “drug”.

Pub. L. 87–781, title I, § 111(b), Oct. 10, 1962, 76 Stat. 790, provided that: “This section [enacting this section] shall take effect on the date of its enactment [Oct. 10, 1962].”