The Lithuanian Standards Board (LST) was established on 25 April 1990 by the Government of the Republic of Lithuania. The LST is a budgetary institution, functioning as a National Standards Body (NSB) and within its competence taking part in establishing and implementing the policy of the Government of the Republic of Lithuania in the field of standardization.

The LST develops and improves national standardization system, sets up technical committees to develop draft standards and coordinates their activities, establishes procedures for the adoption of the international and European standards as the Lithuanian standards, adopts, publishes and distributes the Lithuanian standards and other deliverables applied on a voluntary basis, seeks to prevent infringement of copyright requirements of the international and European standards in Lithuania, provides information on the Lithuanian standards, the technical regulations and conformity assessment procedures to the Lithuanian institutions and economic operators.

The LST is a full member of ISO, CEN, CENELEC and ETSI, and an associate member of IEC.