Any amount that a member elected to pay under any election with respect to normal contributions permitted under this part prior to withdrawal of accumulated contributions, including amounts unpaid at the time of the withdrawal, and any amount of arrears contributions then unpaid shall be included, upon subsequent reentry into this system, in the amount of withdrawn contributions for purposes of redeposit under this article. Upon the redeposit of withdrawn contributions, a member shall be entitled to all rights accruing from that election with respect to normal contributions in all respects as though payment had been completed at the time of the withdrawal of accumulated contributions.