(1) Administer public assistance in the county, and determine the eligibility for assistance of applicants and continued eligibility for assistance of persons receiving the same in accordance with law and rules, regulations and standards established by the department.

(2) Take measures to promote the welfare and self-dependency of individuals and families eligible for assistance by helping them to secure rehabilitative, remedial or other constructive aid, through local community resources, or in the absence or inadequacy of such resources, through direct provision of such aid, in accordance with rules, regulations and standards adopted by the department.

(3) With the approval of the secretary, supervise the administration of and promote any other public function related to assistance, or the work of the department, or of the county board, which may be committed to the county board by a political subdivision of the Commonwealth.