In accordance with Transportation Code, Chapter 623, Subchapter K, the commission may authorize Port of Harlingen Authority to issue permits for the movement of oversize or overweight vehicles carrying cargo on roads designated by Transportation Code, §623.219(a)(2)(B), (C), (D), and (E). This subchapter sets forth the requirements and procedures applicable to the issuance of permits by Port of Harlingen Authority for the movement of oversize and overweight vehicles.