A resolution of the Council of Ministers of the BSSR on the design of border posts along the State border of the Republic of Belarus has been adopted
Resolution № 550 of the Council of Ministers of the Republic of Belarus «On Registration of border posts along the State Border of the Republic of Belarus» НАРБ. Ф. 7. Оп. 12. Д. 9. Л. 56. The original. Typescript
