On the list of international and regional (interstate) standards, and in their absence - national (state) standards, the application of which on a voluntary basis ensures compliance with the requirements of the technical regulations of the Eurasian Economic Union "On requirements for main pipelines for the transportation of liquid and gaseous hydrocarbons (TR EAEU 049/2020), and the list of international and regional (interstate) standards, and in their absence - national (state) standards that contain rules and methods of research (tests) and measurements, including sampling rules necessary for the application and implementation of the requirements of technical regulation of the Eurasian Economic Union "On requirements for pipelines for the transportation of liquid and gaseous hydrocarbons (TR EAEU 049/2020) and conformity assessment of technical regulation objects
