25. Sections 63 to 70 of the ¹[* * *] Penal Code and the provisions of the Code of Criminal Procedure for the time being in force in relation to the issue and the execution of warrants forthe levy of fines shall apply to all fines imposed under any Act, Regulation, rule or bye-law unless the Act, Regulation, rule or bye-law contains an express provision to the contrary.

26. Where an act or omission constitutes an offence under two or more enactments, then the offender shall be liable to be prosecuted and punished under either or any of those enactments, but shall not be liable to be punished twice for the same offence.

27. Where any ²[Act of Parliament] or Regulation made after the commencement of this Act authorizes or requires any document to be served by post, whether the expression "serve" or either of the expressions "give" or "send" or any other expression is used, then, unless a different intention appears, the service shall be deemed to be effected by properly addressing, pre-paying and posting by registered post, a letter containing the document, and, unless the contrary is proved, to have been effected at the time at which the letter would be delivered in the ordinary course of post.

28. (1) In any ³[Act of Parliament] or Regulation, and in any rule, bye-law, instrument or document, made under, or with reference to, any such Act or Regulation, any enactment may be cited by reference to the ⁴[short title or Bengali translation thereof] conferred thereon or by reference to the number and year thereof, and any provision in an enactment may be cited by reference to the section or sub-section of the enactment in which the provision is contained. (2) In this Act and in any ⁵[Act of Parliament] or Regulation made after the commencement of this Act, a description or citation of a portion of another enactment shall, unless a different intention appears, be construed as including the word, section or other part mentioned or referred to as forming the beginning and as forming the end of the portion comprised in the description or citation.

29. The provisions of this Act respecting the construction of Acts, Regulations, rules or bye-laws made after the commencement of this Act shall not affect the construction of any Act, Regulation, rule or bye-law made before the commencement of this Act, although the Act, Regulation, rule or bye-law is continued or amended by an Act, Regulation, rule or bye-law made after the commencement of this Act.

30. In this Act the expression ⁶[Act of Parliament] wherever it occurs, except in section 5, and the word "Act" in clauses (9), (12), (38), (48) and (50) of section 3 and in section 25 shall be deemed to include an Ordinance made and promulgated by ⁷[any person having authority to legislate under any constitutional provision or by the President of Bangladesh under the Constitution].

30A. [Repealed by the Government of India (Adaptation of Indian Laws) Order, 1937.]

⁸[31. The provisions of this Act shall apply for the interpretation of any Order made by the President or acting President of Bangladesh, and for the interpretation of any Presidential Order made before the 26th day of March, 1971, and in force in Bangladesh, as they apply for the interpretation of an Act of Parliament, as if any such Order were an Act of Parliament.].