law: 5. On and from the date of commencement of the principal Act, after section 5A (as so inserted by section 4 of this Act), the following shall be inserted and shall always be deemed to have been inserted,
  namely:-
  '5B. Nothing contained in any law for the time being in force relating to succession or any custom or usage governing succession of property shall apply in relation to the enemy property under this Act and no person (including his legal heir and successor) shall have any right and shall be deemed not to have any right (including all rights, titles and interests or any benefit arising out of such property) in relation to such enemy property.
  Explanation.-For the purposes of this section, the expressions "custom" and "usage" signify any rule which, having been continuously and uniformly observed for a long time, has obtained the force of law in the matters of succession of property.'.