Section 164 in The Central Goods and Services Tax Act
Title: Power of Government to make rules
(1) The Government may, on the recommendations of the Council, by notification, make rules for carrying out the provisions of this Act.
(2) Without prejudice to the generality of the provisions of sub-section (1), the Government may make rules for all or any of the matters which by this Act are required to be, or may be, prescribed or in respect of which provisions are to be or may be made by rules.
(3) The power to make rules conferred by this section shall include the power to give retrospective effect to the rules or any of them from a date not earlier than the date on which the provisions of this Act come into force.
(4) Any rules made under sub-section (1) or sub-section (2) may provide that a contravention thereof shall be liable to a penalty not exceeding ten thousand rupees.
Title: Power to make regulations
The Board may, by notification, make regulations consistent with this Act and the rules made thereunder to carry out the provisions of this Act.
Title: Laying of rules regulations and notifications
Every rule made by the Government, every regulation made by the Board and every notification issued by the Government under this Act, shall be laid, as soon as may be after it is made or issued, before each House of Parliament, while it is in session, for a total period of thirty days which may be comprised in one session or in two or more successive sessions, and if, before the expiry of the session immediately following the session or the successive sessions aforesaid, both Houses agree in making any modification in the rule or regulation or in the notification, as the case may be, or both Houses agree that the rule or regulation or the notification should not be made, the rule or regulation or notification, as the case may be, shall thereafter have effect only in such modified form or be of no effect, as the case may be; so, however, that any such modification or annulment shall be without prejudice to the validity of anything previously done under that rule or regulation or notification, as the case may be.
Title: Delegation of powers
The Commissioner may, by notification, direct that subject to such conditions, if any, as may be specified in the notification, any power exercisable by any authority or officer under this Act may be exercisable also by another authority or officer as may be specified in such notification.
Title: Power to issue instructions or directions
(1) The Board may, if it considers it necessary or expedient so to do for the purpose of uniformity in the implementation of this Act, issue such orders, instructions or directions to the central tax officers as it may deem fit, and thereupon all such officers and all other persons employed in the implementation of this Act shall observe and follow such orders, instructions or directions.
(2) The Commissioner specified in clause (91) of section 2, sub-section (3) of section 5, clause (b) of sub-section (9) of section 25, sub-sections (3) and (4) of section 35, sub-section (1) of section 37, sub-section (2) of section 38, sub-section (6) of section 39, sub-section (5) of section 66, sub-section (1) of section 143, sub-section (1) of section 151, clause (l) of sub-section (3) of section 158 and section 167 shall mean a Commissioner or Joint Secretary posted in the Board and such Commissioner or Joint Secretary shall exercise the powers specified in the said sections with the approval of the Board.