law: 3. Assimilation of laws.-
  (1) Save as provided in sub-section (2), all laws which immediately before the appointed day extend to, or are in force in, the State of West Bengal, but do not extend to, or are not in force in, Cooch-Behar shall, as from that day, extend to, or as the case may be, come into force in, Cooch-Behar; and all laws which, immediately before the appointed day, are in force in Cooch-Behar, but not in the rest of West Bengal, shall on that day cease to be in force in Cooch-Behar, except as respects things done or omitted to be done before that day.
  (2) Notwithstanding anything contained in sub-section (1), the Muslim Personal Law (Shariat) Application Act, 1937 (26 of 1937) shall come into force in Cooch-Behar only on such date as the State Government may, by notification in the Official Gazette, appoint; and Cooch-Behar Act 2 of 1897, known as the Muhammadan Inheritance Act, 1897, shall continue in force in Cooch-Behar until that date, and shall on that date cease to be in force except as respects things done or omitted to be done before that date.