38. (1) The power to make rules under section 37 shall be subject to the condition of the rules being made after previous publication.(2) The date to be specified in accordance with clause (3) of section 23 of the General Clauses Act, 1897, as that after which a draft of rules proposed to be made under section 37 will be taken into consideration shall not be less than three months from the date on which the draft of the proposed rules was published for general information.(3) All rules under section 37 shall be published in the official Gazette and, on such publication, shall have effect as if enacted in this Act.