Safeguard duty on caustic soda lye imposed, with limited duration and specified country exclusions measures. Imposition of a provisional safeguard duty on imports of Caustic Soda lye is directed under the safeguard provisions of the Customs Tariff Act, based on preliminary findings that increased imports caused or threatened serious injury to domestic producers; the Central Government imposes a temporary ad valorem duty, subject to exclusions for certain developing countries and effective until the specified expiry unless earlier revoked, superseded, or amended.