(1) The Authority shall have powers to impose penalty or interest, in regard to any contravention of obligations cast upon the promoters, the allottees and the real estate agents, under this Act or the rules and the regulations made thereunder.
(2) The Authority shall be guided by the principles of natural justice and, subject to the other provisions of this Act and the rules made thereunder, the Authority shall have powers to regulate its own procedure.
39. The Authority may, at any time, within a period of two years from the date of the order made under this Act, with a view to rectifying any mistake apparent from the record, amend any order passed by it, and shall make such amendment, if the mistake is brought to its notice by the parties:
Provided that no such amendment shall be made in respect of any order against which an appeal has been preferred under this Act:
Provided further that the Authority shall not, while rectifying any mistake apparent from record, amend substantive part of its order passed under the provisions of this Act.