Penal Code Section 151
Knowingly joining or continuing in any assembly of five or more persons after it has been commanded to disperse
151. Whoever knowingly joins or continues in any assembly of five or more persons likely to cause a disturbance of the public peace, after such assembly has been lawfully commanded to disperse, shall be punished with imprisonment for a term which may extend to six months or with fine or with both.
Explanation—If the assembly is an unlawful assembly within the meaning of section 141, the offender will be punishable under section 145.
Please refer to the Attorney General's Chamber of Malaysia's website for the latest law.