Penal Code Section 204
Destruction of document to prevent its production as evidence
204. Whoever secretes or destroys any document which he may be lawfully compelled to produce as evidence before a Court, or in any proceeding lawfully held before a public servant as such, or obliterates or renders illegible the whole or any part of such document with the intention of preventing the same from being produced or used as evidence before such Court or public servant as aforesaid, or after he shall have been lawfully summoned or required to produce the same for that purpose, shall be punished with imprisonment for a term which may extend to two years or with fine or with both.
Please refer to the Attorney General's Chamber of Malaysia's website for the latest law.