General Clauses Act, 1897
Section 17: Substitution of functionaries
(1) In any [Central Act] or Regulation made after the commencement of this Act, it shall be sufficient, for the purpose of indicating the application of a law to every person or number of persons for the time being executing the functions of an office, to mention the official title of the officer at present executing the functions, or that of the officer by whom the functions are commonly executed.
(2) This section applies also to all [Central Acts] made after the third day of January, 1868, and to all Regulations made on or after the fourteenth day of January, 1887.
Source: India Code (indiacode.gov.in), the consolidated text published by the Legislative Department, Government of India. Text as updated on India Code on 15 October 2026. Words in square brackets [ ] were inserted or substituted by later amending Acts, and *** marks words omitted by an amendment. The amendment footnotes are not reproduced here. Official text on India Code.