Artikel 7

1. Without prejudice to international commitments in relation to the free movement of persons, Parties shall strengthen, to the extent possible, such border controls as may be necessary to prevent and detect trafficking in human beings.
2. Each Party shall adopt legislative or other appropriate measures to prevent, to the extent possible, means of transport operated by commercial carriers from being used in the commission of offences established in accordance with this Convention.
3. Where appropriate, and without prejudice to applicable international conventions, such measures shall include establishing the obligation of commercial carriers, including any transportation company or the owner or operator of any means of transport, to ascertain that all passengers are in possession of the travel documents required for entry into the receiving State.
4. Each Party shall take the necessary measures, in accordance with its internal law, to provide for sanctions in cases of violation of the obligation set forth in paragraph 3 of this article.
5. Each Party shall adopt such legislative or other measures as may be necessary to permit, in accordance with its internal law, the denial of entry or revocation of visas of persons implicated in the commission of offences established in accordance with this Convention.
6. Parties shall strengthen co-operation among border control agencies by, inter alia, establishing and maintaining direct channels of communication.