Subject to N.C. Gen. Stat. § 143-138(e), a county may in an ordinance adopt by reference a published technical code or a standard or regulation promulgated by a public agency. A technical code or standard or regulation so adopted has the force of law in any area of the county in which the ordinance is applicable. An official copy of a technical code or standard or regulation adopted by reference shall be available for public inspection in the office of the clerk and need not be filed in the ordinance book. (1973, c. 822, s. 1.)