If a member becomes a participant under this part after qualifying for benefits under part I of this subchapter and, at the time of transfer, has a former spouse entitled to benefits under part I of this subchapter which are determined under section
4054 or
4055 of this title (as determined by the Secretary of State) and are similar in amount to a pro rata share division under section
4054 or
4055 of this title and the service of the member as a participant under this part is not recognized in determining that pro rata share, then subsections (a) and (b) of this section shall not apply to such former spouse. Otherwise, subsections (a) and (b) of this section shall apply.