5. Coming into operation of enactments - (1) Where any Central Act is not expressed to come into operation on particular day, then it shall come into operation on the day on which it receives the assent. In the case of a Central Act made before the commencement of the Constitution, of the governor-general, and in the case of an Act of Parliament, of the President. Unless the contrary is expressed, (Central Act) or Regulation shall be construed as coming into operation immediately on the expiration of the proceeding its commencement. 5A. Coming into operation of Governor General Act – (Rep. By the A.O. 1947). 6. Effect of repeal – Where this Act, or any (Central Act) or Regulation made after the commencement of this Act, repeals any enactment hitherto made or hereafter to be made, then, unless a different intention appears, the repeal shall not- Revive anything not in force or existing at the time at which the repeal takes effect, or Affect the previous operation of any enactment so repealed or anything duly done or suffered thereunder, or Affect any right, privilege, obligation or liability acquired, accrued or incurrent under any enactment so repealed, or Affect any penalty, forfeiture or punishment incurred in respect of any offence committed against any enactment so repealed, or Affect any investigation, legal proceeding or remedy in respect of any such right, privilege, obligation, liability, penalty, forfeiture or punishment as aforesaid. 6A. Repeal of Act making textual amendment in Act or Regulation - Where any (Central Act) or Regulation made after the commencement of this Act repeals any enactment by which the text of any (Central Act) or Regulation was amended by the express omission, insertion or substitution of any matter, then, unless a different intention appears, the repeal shall not affect the continuance of any such amendment made by the enactment so repealed and in operation at the time of such repeal. 7. Revival of repealed enactments - (1) In any (Central Act) or Regulations made after the commencement of this Act, it shall be necessary, for the purpose of reviving, either wholly or partially, any enactment wholly or partially repealed, expressly to state that purpose. This section applies also to all (Central Acts) made after the third day of January, 1968 and to all Regulations made on or after the fourteenth day of January, 1887. 8. Construction of references to repealed enactments – (1) Where this Act, or any (Central Act) or regulation made after the commencement of this Act, repeals and re-enacts, with or without notification, any provision of a former enactment, then references in any other enactment or in any instrument to the provision so repealed shall, unless a different intention appears, be construed as references to the provision so re-enacted. (Where before the fifteenth day of August, 1947, any Act of Parliament of the United Kingdom repealed and re-enacted, with or without modification, any provision of a former enactment, then references in any (Central Act) or in any Regulation or instrument to the provision so repealed shall, unless a different intention appears, be construed as reference to the provision so re-enacted. 9. Commencement and termination of time – (1) In any, (Central Act or Regulation made after the commencement of this Act, it shall be sufficient, for the purpose of excluding the first in a series of days or any other period of time, to use the word ‘from”, "and", for the purpose of including the last in a series of days or any other period of time, to use the word "to", This section applies also to all (Central Acts) made after the third day of January, 186, and to all Regulation made on after the fourteenth day of January, 1887. 10. Computation of time – (1) Where, by any (Central Act) or regulation made after the commencement of this Act, any act or proceeding is directed to allowed to be done or taken in any Court or office on a certain day or within a prescribed period, then, if the Court or office is closed on that day or that day or the last day of the prescribed period, the act or proceeding shall be considered as done or taken in due time if it is done or taken on the next day afterwards on which the Court or office is open. Provided that nothing is this section shall apply to any act or proceeding to which the (Indian Limitation Act, 1877 (15 of 1877), applies. This section applies also to all (Central Acts) and Regulations made on or after the fourteenth day of January 1887. 11. Measurement of distance – In the measurement of any distance, for the purpose of any (Central Act) or Regulation made after the commencement of this Act, that distance shall, unless a different intention appears, be measured in a straight line on a horizontal plane. 12. Duty to be taken prorata in enactment – Where, be any enactment now in force or hereafter to be in force, any duty of customs or exercise, or in the nature thereof, is leviable on any given quantity, by weight, measure or value of any goods or merchandise, then a like duty is leviable according to the same rate on any greater or less quantity. 13. Gender and number - In all (Central Acts) and Regulations, unless there is anything repugnant in the subject or context - Words importing the masculine gender shall be taken to include females, and words in the singular shall include the plural, and vice versa.