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 lv. |
| 2. | Change in the construction of a trailer | О1, О2 | 180 lv. |
| 3. | Change in the construction of a vehicle | O3, O4 | 240 lv. |
| 4. | Vehicle with change in the seats (from 1+1 to 6+1 and vice versa) | M1, N1 |
240 - 300lv. |
| 5. | Vehicles with change in the construction and change of category | M1, N1 | 300 - 360 lv. |
| 6. | Approval of autobus | M2, M3 | 480 lv. |
| 7. | Change in the construction of cargo vehicles | N1, N2,N3 | 360 - 420 lv. |
| 8. | Certification of EURO norm for exhaust gases of motor vehicles from EEC | all | 180 lv. |
| 9. | Change in the construction of the motorcycles | L | 180 lv. |
| 10. | Change of the direction of motor vehicle (only with documents from offical service) | М1, N1 | 360 lv. |
| 11. | Engine change of vehicle | all | 300 lv. |
| 12. | Engine change + change in the powertrain | all | 480 lv. |
| 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 lv. |
| 2. | Motor vehicles over 8+1 up to 5 t | M2 | 720 lv. |
| 3. | Motor vehicles over 8+1 and over 5 t | M3 | 720 lv. |
| 4. | Motor vehicles up to 3.5 t | N1 | 480 lv. |
| 5. | Motor vehicles from 3.5 t and up to 12 t | N2 | 600 lv. |
| 6. | Motor vehicles over 12 t | N3 | 720 lv. |
| 7. | Special motor vehicle – ambulance (code SC) | A1, A2 | 480 lv. |
| 8. | Special motor vehicle – ambulance (code SC) | B, C | 600 lv. |
| 9. | Road vehicle /trailer/ up to 750 kg | О1 | 240 lv. |
| 10. | Road vehicle /trailer/ up to 3.5 t | О2 | 240 lv. |
| 11. | Road vehicle /trailer/ up to 10 t | О3 | 600 lv. |
| 12. | Road vehicle /trailer/ over 10 t | О4 | 720 lv. |
| 13. | Road vehicle /trailer/ over 10 t - ADR / Oversized | О4 | 960 lv. |
| 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 lv. |
| 2. | SUV/bus up to 3.5 t | N1 | 1080 lv. |
| 3. | Cargo vehicles | N2, N3 | 1080 lv. |
| 4. | Buses with over 9 seats | M2, M3 | 1080 lv. |
| 5. | Motorcycles up to 600 ccm | L3e | 480 lv. |
| 6. | Motorcycles over 600 ccm | L3e | 540 lv. |
| 7. | Trailers up to 750 kg total mass | О1 | 360 lv. |
| 8. | Trailers up to 3500 kg total mass | О2 | 450 lv. |
| 9. | Trailers up to 10000 kg total mass | О3 | 600 lv. |
| 10. | Trailers over 10000 kg total mass | О4 | 720 lv. |