https://gitlab.prozorro.sale/public-projects/documentations/-/blob/master/technical_specification/subsoil/subsoil-english/subsoil-english.md#%D1%82%D0%B8%D0%BF%D0%B8-%D0%BE%D0%BF%D0%B8%D1%81-%D0%B4%D0%BE%D0%BA%D1%83%D0%BC%D0%B5%D0%BD%D1%82%D1%96%D0%B2-%D1%82%D0%B0-%D1%80%D0%BE%D0%B1%D0%BE%D1%82%D0%B0-%D0%B7-%D0%BD%D0%B8%D0%BC%D0%B8-subsoil-english