Chapter II
Crimes
Section I
Crime of genocide and crimes against humanity
Article 8
Crime of genocide
1. Anyone who commits any of the following acts with intent to destroy, in whole or in part, a national, ethnic, racial or religious group, as such:
(e) Imposing measures intended to prevent procreation or births within the group;
shall be punished with a term of imprisonment of 12 to 25 years.
Imposing measures intended to prevent births within the group
EDIT.