Republic Act No. 8972 (Solo Parents' Welfare Act of 2000), Section 3a defines "Solo Parent" as:
(1) A woman who gives birth as a result of rape and other crimes against chastity even without a final conviction of the offender: Provided, That the mother keeps and raises the child;
(2) Parent left solo or alone with the responsibility of parenthood due to death of spouse;
(3) Parent left solo or alone with the responsibility of parenthood while the spouse is detained or is serving sentence for a criminal conviction for at least one (1) year;
(4) Parent left solo or alone with the responsibility of parenthood due to physical and/or mental incapacity of spouse as certified by a public medical practitioner;
(5) Parent left solo or alone with the responsibility of parenthood due to legal separation or de facto separation from spouse for at least one (1) year, as long as he/she is entrusted with the custody of the children;
(6) Parent left solo or alone with the responsibility of parenthood due to declaration of nullity or annulment of marriage as decreed by a court or by a church as long as he/she is entrusted with the custody of the children;
(7) Parent left solo or alone with the responsibility of parenthood due to abandonment of spouse for at least one (1) year;
(8) Unmarried mother/father who has preferred to keep and rear her/his child/children instead of having others care for them or give them up to a welfare institution;
(9) Any other person who solely provides parental care and support to a child or children;
(10) Any family member who assumes the responsibility of head of family as a result of the death, abandonment, disappearance or prolonged absence of the parents or solo parent.

A change in the status or circumstance of the parent claiming benefits under this Act, such that he/she is no longer left alone with the responsibility of parenthood, shall terminate his/her eligibility for these benefits.