1. The Commission shall review the application and implementation of this Directive. By 30 July 2023, the Commission shall submit a report on the application and implementation of this Directive to the European Parliament, the Council and the European Economic and Social Committee and propose, where appropriate, necessary amendments to this Directive and to Directive 96/71/EC.

2. The report referred to in paragraph 1 shall include an assessment of whether further measures to ensure a level playing field and protect workers are required:

(a) in the case of subcontracting;

(b) in the light of Article 3(3) of this Directive, taking into account the developments concerning the legislative act amending Directive 2006/22/EC of the European Parliament and of the Council [Directive 2006/22/EC of the European Parliament and of the Council of 15 March 2006 on minimum conditions for the implementation of Council Regulations (EEC) No 3820/85 and (EEC) No 3821/85 concerning social legislation relating to road transport activities and repealing Council Directive 88/599/EEC (OJ L 102, 11.4.2006, p. 35).] as regards enforcement requirements and laying down specific rules with respect to Directive 96/71/EC and Directive 2014/67/EU for posting drivers in the road transport sector.