La. R.S. 11:2134

The annuity reserve fund shall be the fund in which shall be held the reserves on all annuities in force and from which shall be paid all annuities and all benefits in lieu of annuities, payable as provided in this Chapter. Should a beneficiary retired on account of disability be restored to active service with a compensation not less than his average final compensation at the time of his last retirement his annuity reserve shall be transferred from the annuity reserve fund to the annuity savings fund and credited to his individual account therein.