A. Except for regulations promulgated by the department, regulations authorized or directed to be promulgated under the Property Tax Code may be promulgated by the authorized governmental agency without prior notice or hearing and shall become effective when filed in accordance with the State Rules Act [N.M. Stat. Ann. Chapter 14, Article 4].

B. All regulations promulgated under the Property Tax Code shall be applied prospectively only unless there is a statement in the regulation that it is to have retroactive effect and a statement of the extent of any retroactive effect.