Section 10
SEC. 10. In case a member of the Fund is separated from the service by reason of retirement, death, disability, resignation or dismissal, he shall cease to be a member of the Fund, provided, however, that he may continue at the option of the GSIS or the SSS to be a member of the Fund, and provided, further, that in any event, if the separated employee has an existing real estate mortgage loan with the Fund at the time of his separation, the real estate mortgage shall continue to be valid and subsisting until fully liquidated but the member-mortgagor must continue paying monthly contributions based on his last salary received prior to separation.