(a) A participant who ceases to be a member, other than an annuitant, shall, upon written request, receive a refund of his or her total contributions, without interest. The refund shall include the additional contributions for the automatic increase in retirement annuity. By accepting the refund, a participant forfeits all accrued rights and benefits in the System and loses credit for all service. However, if he or she again becomes a member, he or she may resume status as a participant and reestablish any forfeited service credit by paying to the System the full amount refunded, together with interest at 4% per annum from the time the refund is paid to the date the member again becomes a participant. A former member of the General Assembly may reestablish any service credit forfeited by acceptance of a refund by paying to the System on or before February 1, 1993, the full amount refunded, together with interest at 4% per annum from the date of payment of the refund to the date of repayment.
When a member or former member owes money to the System, interest at the rate of 4% per annum shall accrue and be payable on such amounts owed beginning on the date of termination of service as a member until the contributions due have been paid in full.