Technical data or construction and design parameters of the tractor or its trailer, which could change the purpose and category of the tractor or its trailer. Modification is allowed without prior coordination in compliance with the requirements of technical specification according to Cabinet Regulation No 770 Modification Rules of Tractors and their Trailers
Measurements are taken and conformity to documentation and technical requirements is assessed
4. Technical examination report and opinion
The report is made in two copies, one copy is issued to the owner of the vehicles. Based on the report a modification opinion of the second category is issued