(a) The Department of Human Resources and the county boards of health, acting as duly authorized agents of the department, are authorized to enforce this article and rules, regulations, and standards adopted and promulgated under this article in establishments that have the majority of square footage of building floor space, including indoor and outdoor dining areas, used for the operation of food service as defined in Code Section 26-2-370. Their duly authorized representatives are authorized to enter upon and inspect the premises of any food service establishment as provided in Article 2 of Chapter 5 of Title 31.

(b) Notwithstanding any other provisions of this article, food sales establishments as defined in Code Section 26-2-21 shall be inspected and regulated under Article 2 of this chapter and shall not be subject to inspection or enforcement under this article.