Article 18a
1. Member States shall take the necessary measures to ensure that, when it is an intentional act, the use of services provided by a victim of an offence referred to in Article 2 constitutes a criminal offence, where the victim is exploited to render such services and the user of the services knows that the person providing the service is a victim of an offence referred to in Article 2. 2. Member States shall take the necessary measures to ensure that an offence as established in accordance with paragraph 1 is punishable by effective, proportionate and dissuasive penalties.