The following shall have competence in cases of crimes involving international traffic in minors: a) the State Party where the wrongful conduct occurred; b) the State Party that is the habitual residence of the minor; c) the State Party in which the alleged offender is located if said offender has not been extradited. d) the State Party in which the minor who is a victim of said traffic is located. For the purposes of the preceding paragraph, the State Party that first conducted formal proceedings concerning the wrongful act shall have preference.