Article 1 Code of Crimes against International Law (CCAIL)
Part 2 Crimes against International Law
Chapter 2 War crimes
Section 8 War crimes against persons
(3) Whoever in connection with an international armed conflict,
2. transfers, as a member of an Occupying Power, parts of its own civilian population into the occupied territory,
shall be punished with imprisonment for not less than two years.
Transferring own civilians into occupied territory - IAC
EDIT.