The Supporting Mother's Benefit was introduced in 1973 to alleviate financial deprivation among women whose de facto husbands were in jail, deserted de facto wives, unmarried mothers and other wives separated from their husbands who, for other reasons, were not eligible for the widows’ pension. The Double Orphans’ pension was introduced that same year, providing $10 a week to the guardian of an orphan who had lost both parents. The Handicapped Children's Allowance, introduced a year later, provided $10 a week to the guardians of severely physically or mentally handicapped children who had not been placed in an institution. A special discretionary benefit was introduced for lone fathers in August 1974, payable at the unemployment benefit rate. In February 1973, eligibility for the standard rate of pension, payable to widow pensioners with children and single age and invalid pensioners, was extended to Class B widow pensioners (those over the age of fifty with no dependent children). A change was also made ensuring that pensioners would not lose their extra benefits when a student turned twenty-one. The standard age pension rate was increased from 19.5% of average weekly earnings in September 1972 to 24.4% by December 1975. Social welfare administration was also made more efficient and equitable via the establishment of a Social Welfare Commission and benefit appeals tribunals.