Sec. 6.04. REMARRIAGE; BENEFITS AFTER TERMINATION OF MARRIAGE. (a) The right of a surviving spouse or dependent child to annuity payments under this Act is not affected by the surviving spouse's remarriage or dependent child's marriage under either statutory or common law if the marriage or remarriage takes place on or after October 1, 1995.

(b) If after October 1, 1995, there is a termination of the remarriage of a surviving spouse or of the marriage of a dependent child, that person is entitled, on application, to 100 percent of the annuity that was in effect on the date of termination of benefits.

(c) A surviving spouse or dependent child who is unmarried but receiving reduced benefits because of a prior marriage that caused the benefits to be terminated is entitled to 100 percent of the annuity that was in effect on the original date of termination of benefits.

(d) The benefit provided under Subsections (b) and (c) of this section shall be provided prospectively beginning October 1, 1995, and the surviving spouse or dependent child is not entitled to receive any benefits or increases in benefits relating to any period before October 1, 1995.