COMMISSION STAFF WORKING DOCUMENT EVALUATION acompanying the Impact assessment report of the Proposal for a Directive of the European Parliament and of the Council amending Directive 2014/45/EU on periodic roadworthiness tests for motor vehicles and their trailers, Directive 2014/47/EU on the technical roadside inspection of the roadworthiness of commercial vehicles circulating in the Union, and Directive 1999/37/EC on the registration documents for vehicles