Unified System for Design Documentation (USDD, ESKD, Russian: Единая Система Конструкторской Документации, lit. 'Unified System for Engineering Documentation', ЕСКД, GOST 2.316-2013) is a subset of Russian State and Eurasian Economic Union Standards (GOST) for technical drawings.[1][2][3]: 11 [4] 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.[4]
The latest revision was published in 2013.