17-79-701. Enactment of subdivision ordinance.
(1) The legislative body of a county may enact ordinances requiring that a subdivision plat comply with the provisions of the county's ordinances and this part before: the subdivision plat may be filed and recorded in the county recorder's office; and lots may be sold.
(2) If the legislative body fails to enact a subdivision ordinance, the county may regulate subdivisions only as provided in this part.
(3) The joining of a lot or lots to a parcel does not constitute a subdivision as to the parcel or subject the parcel to the county's subdivision ordinance.
(4) A legislative body may adopt a land use regulation that specifies that combining lots does not require a subdivision plat amendment.