(2)On and from the date on which the Finance Bill, 2017 receives the assent of the President, every application and proceeding pending before the erstwhile Authority for Advance Rulings (Central Excise, Customs and Service Tax) shall stand transferred to the Authority from the stage at which such application or proceeding stood as on the date of such assent.][(2-A) Notwithstanding anything contained in sub-sections (1) and (2), or any other law for the time being in force, the Central Government may, by notification in the Official Gazette, authorise an Authority constituted under section 245-O of the Income-tax Act, 1961 (43 of 1961), to act as an Authority under this Chapter.(2-B) On and from the date of publication of notification under sub-section (2-A), the Authority constituted under sub-section (1) shall not exercise jurisdiction under this Chapter.(2-C) For the purposes of sub-section (2-A), the reference to "an officer of the Indian Revenue Service who is qualified to be a Member of Central Board of Direct Taxes" in clause (b) of sub-section (2) of section 245-O of the Income-tax Act, 1961 (43 of 1961) shall be construed as reference to "an officer of the Indian Customs and Central Excise Service who is qualified to be a Member of the Board".(2-D) On and from the date of the authorisation of Authority under sub-section (2-A), every application and proceeding pending before the Authority constituted under sub-section (1) shall stand transferred to the Authority so authorised from the stage at which such proceedings stood before the date of such authorisation.] [ Inserted by Act 33 of 2009, Section 86.]