(1) An application for determination of tariff under section 62 shall be made by a generating company or licensee in such manner and accompanied by such fee, as may be determined by regulations.
     (2) Every applicant shall publish the application, in such abridged form and manner, as may be specified by the Appropriate Commission.
     (3) The Appropriate Commission shall, within one hundred and twenty days from receipt of an application under sub-section (1) and after considering all suggestions and objections received from the public,--
         (a) issue a tariff order accepting the application with such modifications or such conditions as may be specified in that order;
         (b) reject the application for reasons to be recorded in writing if such application is not in accordance with the provisions of this Act and the rules and regulations made thereunder or the provisions of any other law for the time being in force:
     Provided that an applicant shall be given a reasonable opportunity of being heard before rejecting his application.
     (4) The Appropriate Commission shall, within seven days of making the order, send a copy of the order to the Appropriate Government, the Authority, and the concerned licensees and to the person concerned.
     (5) Notwithstanding anything contained in Part X, the tariff for any inter-State supply, transmission or wheeling of electricity, as the case may be, involving the territories of two States may, upon application made to it by the parties intending to undertake such supply, transmission or wheeling, be determined under this section by the State Commission having jurisdiction in respect of the licensee who intends to distribute electricity and make payment therefor.
     (6) A tariff order shall, unless amended or revoked, continue to be in force for such period as may be specified in the tariff order.