If the Secretary or the Attorney General (or his delegate) enters into a settlement agreement with any partner with respect to partnership items for any partnership taxable year, the Secretary or the Attorney General (or his delegate) shall offer to any other partner who so requests settlement terms for the partnership taxable year which are consistent with those contained in such settlement agreement. Except in the case of an election under paragraph (2) or (3) of section
6223
(e) to have a settlement agreement described in this paragraph apply, this paragraph shall apply with respect to a settlement agreement entered into with a partner before notice of a final partnership administrative adjustment is mailed to the tax matters partner only if such other partner makes the request before the expiration of 150 days after the day on which such notice is mailed to the tax matters partner.