Parties shall take the necessary legislative and other measures to ensure that the statute of limitation for initiating any legal proceedings with regard to the offences established in accordance with Articles 36, 37, 38 and 39 of this Convention, shall continue for a period of time that is sufficient and commensurate with the gravity of the offence in question, to allow for the efficient initiation of proceedings after the victim has reached the age of majority.

https://rm.coe.int/168008482e