For the purpose of facilitating the application in relation to the State of Bihar or Jharkhand of any law made before the appointed day, the appropriate Government may, before the expiration of two years from that day, by order, make such adaptations and modifications of the law, whether by way of repeal or amendment, as may be necessary or expedient, and thereupon every such law shall have effect subject to the adaptations and modifications so made until altered, repealed or amended by a competent Legislature or other competent authority.
Explanation.—In this section, the expression "appropriate Government" means as respects any law relating to a matter enumerated in the Union List, the Central Government, and as respects any other law in its application to a State, the State Government.