Homologation (technical inspection) is a technical term, which has been internationally accepted for issuing of an authorization permit by an official authority. The competent authority for Bulgaria is the "Automobile Administration" Executive Agency, which like any other organization follows strict rules and norms for establishing the presence of conditions for the issuing of the permit. The homologation of motor vehicles is known also as technical test or type approval.
The Directive of the European Community relating to homologation of new motor vehicles in the European Union are:
ORDINANCE No. N-3 is in force since 18th February 2013. issued by the Minister of Transport, Information Technologies and Communications of the Republic of Bulgaria and concerns the amendments of the construction of registered motor vehicles and individual approval of motor vehicles, registered outside the member countries of the European Union or another member-country on the Agreement on the European Economic Area.
Dekra Automotive OOD is a representative of DEKRA Automobil Test Center der DEKRA Automobil GmbH, which is a notarized technical service according to Directive 2007/46/ЕC and Directive 2002/24/ЕC by EA "AA".
| No | Change in the construction of already registered road vehicles: | Category | Price with VAT |
| 1. | Change of the empy weight (Position G in the title) | all | 180 BGN / 92 € |
| 2. | Change in the construction of a trailer | О1, О2 | 180 BGN / 92 € |
| 3. | Change in the construction of a vehicle | O3, O4 | 240 BGN /123 € |
| 4. | Vehicle with change in the seats (from 1+1 to 6+1 and vice versa) | M1, N1 |
240 - 300 BGN / 123 - 153 € |
| 5. | Vehicles with change in the construction and change of category | M1, N1 | 300 - 360 BGN. / 153 - 184 € |
| 6. | Approval of autobus | M2, M3 | 480 BGN / 245€ |
| 7. | Change in the construction of cargo vehicles | N1, N2,N3 | 360 - 420 BGN / 184 - 215 € |
| 8. | Certification of EURO norm for exhaust gases of motor vehicles from EEC | all | 180 BGN / 92 € |
| 9. | Change in the construction of the motorcycles | L | 180 BGN / 92 € |
| 10. | Change of the direction of motor vehicle (only with documents from offical service) | М1, N1 | 360 BGN / 184€ |
| 11. | Engine change of vehicle | all | 300 BGN / 153€ |
| 12. | Engine change + change in the powertrain | all | 480 BGN / 245€ |
| No | Individual approval of new road vehicle by the member countries of the European Union or another member country on the Agreement on the European Economic Area | Price with VAT |
|
| 1. | Motor vehicles up to 8 + 1 | M1 | 480 BGN / 245€ |
| 2. | Motor vehicles over 8+1 up to 5 t | M2 | 720 BGN / 368€ |
| 3. | Motor vehicles over 8+1 and over 5 t | M3 | 720 BGN / 368€ |
| 4. | Motor vehicles up to 3.5 t | N1 | 480 BGN / 245€ |
| 5. | Motor vehicles from 3.5 t and up to 12 t | N2 | 600 BGN / 307€ |
| 6. | Motor vehicles over 12 t | N3 | 720 BGN / 368€ |
| 7. | Special motor vehicle – ambulance (code SC) | A1, A2 | 480 BGN / 245€ |
| 8. | Special motor vehicle – ambulance (code SC) | B, C | 600 BGN / 307€ |
| 9. | Road vehicle /trailer/ up to 750 kg | О1 | 240 BGN / 123€ |
| 10. | Road vehicle /trailer/ up to 3.5 t | О2 | 240 BGN / 123€ |
| 11. | Road vehicle /trailer/ up to 10 t | О3 | 600 BGN / 307€ |
| 12. | Road vehicle /trailer/ over 10 t | О4 | 720 BGN / 368€ |
| 13. | Road vehicle /trailer/ over 10 t - ADR / Oversized | О4 | 960 BGN / 491€ |
| No | Road vehicles registered outside the member countries of the European Union or another member country on the Agreement on the European Economic Area | Price with VAT |
|
| 1. | Light vehicle /the price depends on the vehicle emission class and the date of production/ | M1 | 540 - 960 BGN. / 276 - 491€ |
| 2. | SUV/bus up to 3.5 t | N1 | 1080 BGN / 552€ |
| 3. | Cargo vehicles | N2, N3 | 1080 BGN / 552€ |
| 4. | Buses with over 9 seats | M2, M3 | 1080 BGN / 552€ |
| 5. | Motorcycles up to 600 ccm | L3e | 480 BGN / 245€ |
| 6. | Motorcycles over 600 ccm | L3e | 540 BGN / 276€ |
| 7. | Trailers up to 750 kg total mass | О1 | 360 BGN / 184€ |
| 8. | Trailers up to 3500 kg total mass | О2 | 450 BGN / 230€ |
| 9. | Trailers up to 10000 kg total mass | О3 | 600 BGN / 307€ |
| 10. | Trailers over 10000 kg total mass | О4 | 720 BGN / 368€ |