4. In Member States where, in accordance with national law and/or practice, the setting of the terms and conditions of employment of posted workers referred to in Article 3 of Directive 96/71/EC, and in particular the minimum rates of pay, including working time, is left to management and labour they may, at the appropriate level and subject to the conditions laid down by the Member States, also monitor the application of the relevant terms and conditions of employment of posted workers, provided that an adequate level of protection equivalent to that resulting from Directive 96/71/EC and this Directive is guaranteed.

The aim of the Enforcement Directive (Directive 2014/67/EU) is to improve the implementation and application in practice of the Directive on the posting of workers (Directive 96/71/EC), thereby guaranteeing better protection of posted workers and a more transparent and predictable legal framework for service providers.

4.24 Contracting Governments should recommend that ships operating in their territorial sea, or having communicated an intention to enter their territorial sea, implement expeditiously, for the ship's protection and for the protection of other ships in the vicinity, any security measure the Contracting Government may have advised.

1.4 The guidance provided in the following paragraphs relates primarily to protection of the ship when it is at a port facility.

The purpose of the regulation is to eliminate the technical barriers to the transfer of cargo and passenger ships flying the flag of a European Union (EU) country between the registers of EU countries while ensuring a high level of ship safety and environmental protection, in compliance with international conventions.

The regulation reconciles considerations relating to the internal market (elimination of technical barriers to the transfer of ships between the registers of the EU countries) and requirements relating to maritime safety (high level of ship safety and environmental protection).