(a) The Department of Human Resources is authorized to establish any of the following categories of public assistance and to adopt plans combining the administration of such categories of public assistance as the Department of Human Resources may elect:

(1) Old-age assistance;

(2) Aid to the blind;

(3) Aid to the disabled;

(4) Temporary assistance for needy families; and

(5) Aid to the aged, blind, and adult disabled persons under a combined plan adopted pursuant to Title XX of the federal Social Security Act.

(b) This article shall be administered by the Department of Human Resources, including the county departments of family and children services acting under the direction and supervision of the commissioner. In administering this article the department, including the county departments acting under the direction and supervision of the director of the Division of Family and Children Services, shall:

(1) Provide for maximum cooperation with other agencies, public and private, of this state, of other states, and of the federal government in rendering services to maintain and strengthen family life and to help applicants for public assistance and recipients to attain self-support or self-care;

(2) Establish and enforce such rules and regulations as may be necessary or desirable to carry out this article; provided, however, that the commissioner of the Department of Human Resources may delegate to the director of the Division of Family and Children Services the responsibility for the development and issuance of procedural manuals;

(3) Cooperate in all necessary respects with agencies of the United States government in the administration of this article, and accept any funds, goods, or services available to the department for public assistance and for other welfare programs and projects;

(4) Enter into reciprocal and cooperative agreements with other agencies of this state and with agencies of any other state relative to the providing of assistance or service to residents and nonresidents; and

(5) Make reports at such times and in such form as may be required by agencies of the United States government.