law: 158. Prior publication of rules regulations, etc.-
  The power to make rules, regulations and schemes under this Code (except the schemes to be framed under Chapter III), shall be subject to the condition of the previous publication of the same being made, in the following manner, namely:-
  (a) the date to be specified after a draft of such rules, regulations and schemes under consideration, shall not be less than forty-five days from the date on which the draft of the proposed rules, regulations and schemes is published for general information in the Official Gazette;
  (b) such rules, regulations and schemes shall finally be published in the Official Gazette and, on such publication, shall have effect as if enacted in this Code:
  Provided that the Central Government may, in the circumstances of epidemic, pandemic or disaster, dispense with the condition of previous publication under this section.