1. For the purposes of implementing this Directive, Member States shall, in accordance with national legislation and/or practice, designate one or more liaison offices or one or more competent national bodies.
2. Member States shall make provision for cooperation between the public authorities which, in accordance with national legislation, are responsible for monitoring the terms and conditions of employment referred to in Article 3. Such cooperation shall in particular consist in replying to reasoned requests from those authorities for information on the transnational hiring-out of workers, including manifest abuses or possible cases of unlawful transnational activities.
The Commission and the public authorities referred to in the first subparagraph shall cooperate closely in order to examine any difficulties which might arise in the application of Article 3 (10).
Mutual administrative assistance shall be provided free of charge.
3. Each Member State shall take the appropriate measures to make the information on the terms and conditions of employment referred to in Article 3 generally available.
4. Each Member State shall notify the other Member States and the Commission of the liaison offices and/or competent bodies referred to in paragraph 1.