Section 3

This Act shall have effect in the States of Johore, Kedah,

Kelantan, Negeri Sembilan, Pahang, Perak, Perlis, Selangor,

Terengganu and the Federal Territory of Kuala Lumpur in relation to Muslim married women and their property, rights and obligations subject to the Islamic law and the customs of the Malays governing the relations between husband and wife so far as the same may be applicable, and in the States of Malacca and Penang subject to the Islamic law of the States in all cases to which such last mentioned

Islamic law extends.