Article 1 Code of Crimes against International Law (CCAIL)
Part 2 Crimes against International Law
Chapter 1 Genocide and crimes against humanity
Section 6 Genocide
(1) Whoever with the intent of destroying as such, in whole or in part, a national, racial, religious or ethnic group:
4. imposes measures intended to prevent births within the group,
shall be punished with imprisonment for life.
Imposing measures intended to prevent births within the group
EDIT.