Penal Code Section 157
Harbouring persons hired for an unlawful assembly
157. Whoever harbours, receives, or assembles in any house or premises in his occupation or charge, or under his control, any persons, knowing that such persons have been hired, engaged, or employed, or are about to be hired, engaged, or employed, to join or become members of an unlawful assembly, shall be punished with imprisonment for a term which may extend to six months or with fine or with both.
Please refer to the Attorney General's Chamber of Malaysia's website for the latest law.