258 | II Série A - Número: 116S1 | 8 de Fevereiro de 2012

3 Each Party shall provide, in accordance with its internal law, for an assessment of the dangerousness and possible risks of repetition of the offences established in accordance with this Convention, by the persons referred to in Article 16, paragraphs 1 and 2, with the aim of identifying appropriate programmes or measures.
4 Each Party shall provide, in accordance with its internal law, for an assessment of the effectiveness of the programmes and measures implemented.
Article 16 – Recipients of intervention programmes and measures
1 Each Party shall ensure, in accordance with its internal law, that persons subject to criminal proceedings for any of the offences established in accordance with this Convention may have access to the programmes or measures mentioned in Article 15, paragraph 1, under conditions which are neither detrimental nor contrary to the rights of the defence and to the requirements of a fair and impartial trial, and particularly with due respect for the rules governing the principle of the presumption of innocence.
2 Each Party shall ensure, in accordance with its internal law, that persons convicted of any of the offences established in accordance with this Convention may have access to the programmes or measures mentioned in Article 15, paragraph 1.
3 Each Party shall ensure, in accordance with its internal law, that intervention programmes or measures are developed or adapted to meet the developmental needs of children who sexually offend, including those who are below the age of criminal responsibility, with the aim of addressing their sexual behavioural problems.
Article 17 – Information and consent
1 Each Party shall ensure, in accordance with its internal law, that the persons referred to in Article 16 to whom intervention programmes or measures have been proposed are fully informed of the reasons for the proposal and consent to the programme or measure in full knowledge of the facts.
2 Each Party shall ensure, in accordance with its internal law, that persons to whom intervention programmes or measures have been proposed may refuse them and, in the case of convicted persons, that they are made aware of the possible consequences a refusal might have.

Chapter VI – Substantive criminal law Article 18 – Sexual abuse
1 Each Party shall take the necessary legislative or other measures to ensure that the following intentional conduct is criminalised:
a engaging in sexual activities with a child who, according to the relevant provisions of national law, has not reached the legal age for sexual activities;