Code Section 19-6-18 or Code Sections 19-6-19 through 19-6-22, as applicable, shall apply to all judgments for permanent alimony for the support of a wife, a child or children, or both, rendered prior to March 9, 1955, where all the following conditions are met:

(1) Both parties to the case in which the judgment for permanent alimony was rendered consent in writing to the revision, amendment, alteration, settlement, satisfaction, or release thereof;

(2) There are no minor children involved or, if there were minor children at the time the original judgment was rendered, the children are all of age at the time the application is filed;

(3) The judge of the court wherein the original judgment for permanent alimony was rendered approves the revision, amendment, alteration, settlement, satisfaction, or release; and

(4) The consent of the parties, together with the court's approval, is filed with the clerk of the court wherein the original judgment for permanent alimony was rendered.