Sec. 10. Subject to the rules adopted by the director of the division, a county office shall administer the following:
(1) Assistance to dependent children in the homes of the dependent children.
(2) Assistance and services to elderly persons.
(3) Assistance to persons with disabilities.
(4) Care and treatment of the following persons, other than persons for whom the department of child services is providing services under IC 31 for the following:
(A) Dependent children.
(B) Children with disabilities.
(5) Any other welfare activities that are delegated to the county office by the division, including services concerning assistance to the blind.