Vehicle inspection station (annual technical inspection / GTP). Permit No. 398. Region/municipality: Sofia-grad / Sofia. Categories: AB1 AB2 AP1 AP2 L1 L3 L3e M1 M1G M2 M2G M3 M3G N1 N1G N2 N2G N3 N3G O1 O2 O3 O4. Source: Official RTA all-valid permits #398 (as of 2026-09-30).