Child and Youth Sexual Exploitation Prevention Act Article 53-1
The pre-amended Article 39 or the pre-amended Article 44 of this Act (before the amendment to this Act on January 10, 2023) shall apply to the conduct of a person who, without justification, possessed any sexual image or video of a child or a youth, or who paid consideration to watch a child or a youth engaging in sexual intercourse or lewd acts, either of the foregoing conduct was conducted before the amended Articles 39 and 44 of this Act came into effect, but is punishable after the amended Articles 39 and 44 of this Act came into effect.