(1) An entity which is laying, building, operating or expanding, or which proposes to lay, build, operate or expand, a pipeline as a common carrier or contract carrier shall apply in writing to the Board for obtaining an authorisation under this Act:
     Provided that an entity laying, building, operating or expanding any pipeline as common carrier or contract carrier authorised by the Central Government at any time before the appointed day shall furnish the particulars of such activities to the Board within six months from the appointed day.
     (2) An entity which is laying, building, operating or expanding, or which proposes to lay, build, operate or expand, a city or local natural gas distribution network shall apply in writing for obtaining an authorisation under this Act:
     Provided that an entity laying, building, operating or expanding any city or local natural gas distribution network authorised by the Central Government at any time before the appointed day shall furnish the particulars of such activities to the Board within six months from the appointed day.
     (3) Every application under sub-section (1) or sub-section (2) shall be made in such form and in such manner and shall be accompanied with such fee as the Board may, by regulations, specify.
     (4) Subject to the provisions of this Act and consistent with the norms and policy guidelines laid down by the Central Government, the Board may either reject or accept an application made to it, subject to such amendments or conditions, if any, as it may think fit.
     (5) In the case of refusal or conditional acceptance of an application, the Board shall record in writing the grounds for such rejection or conditional acceptance, as the case may be.