Home / Sofia GTP 20 EOOD Auto service Call · +359898683487 Vehicle inspection station (annual technical inspection / GTP). Permit No. 1978. Region/municipality: Sofia-grad / Sofia. Categories: L1 L3 L3e M1 M1G N1 N1G O1 O2. Source: Official RTA all-valid permits #1978 (as of 2026-09-30).