(a) The state government and all county and municipal governments in this state are hereby authorized to voluntarily participate in any program which is related to any form of assistance for the aged, including, but not limited to, such programs as senior citizens volunteers, foster grandparents, senior aids, various programs of the Federal Department of Health, Education and Welfare and any other program supported by the federal government, private foundations or other political or private organizations which establish assistance programs for the aged. Participation in said old-age assistance programs may be in the form of moneys, services rendered or any other form of voluntary participation available.

(b) Nothing contained in this section shall be construed to usurp the authority or affect the funding of the Department of Human Resources under the public welfare laws of this state, under other existing laws of this state, as the same may hereafter be amended, or services administered by the Department of Human Resources as the single state agency designated to administer funds and services under state or federal legislation, including, but not limited to, the Federal Social Security Act and the Food Stamp Act of 1964, as amended.

(c) No portion of this section shall be construed to usurp the authority of the Alabama Commission on Aging as the state agency designated as an advocate for Alabama's senior citizens by the Alabama Legislature, and as the state agency designated to administer the Older Americans Act of 1965, as amended.