(2)Where an application made under section 245C has been allowed to be proceeded with under section 245D, the Settlement Commission shall, until an order is passed under sub-section (4) of section 245D, have, subject to the provisions of sub-section (3) of that section, exclusive jurisdiction to exercise the powers and perform the functions of an income-tax authority under this Act in relation to the case :Provided that where an application has been made under section 245C on or after the 1st day of June, 2007, the Settlement Commission shall have such exclusive jurisdiction from the date on which the application was made:Provided further that where—(i)an application made on or after the 1st day of June, 2007, is rejected under sub-section (1) of section 245D; or(ii)an application is not allowed to be proceeded with under sub-section (2A) of section 245D, or, as the case may be, is declared invalid under sub-section (2C) of that section; or(iii)an application is not allowed to be further proceeded with under sub-section (2D) of section 245D,the Settlement Commission, in respect of such application shall have such exclusive jurisdiction upto the date on which the application is rejected, or, not allowed to be proceeded with, or, declared invalid, or, not allowed to be further proceeded with, as the case may be.