Unified System for Design Documentation (Russia)

Unified System for Design Documentation (USDD, ESKD, Единая Система Конструкторской Документации, ЕСКД, GOST 2.316-2013) is a subset of Russian State and Commonwealth of Independent States Standards (GOST) for technical drawings. Just like many GOSTs it's edited and issued by Russian Federal Agency on Technical Regulating and Metrology (Rosstandart) and international body of Euroasian Interstate council (EASC) subsidiary for standardisation.

The latest revision was published in 2013.