The provisions of this part 1 are applicable to lands within the boundaries of cities and towns organized on or after March 31, 1885, to the extent that any owners of lands therein desire to make any change in the plat of any such city or town from the plat as originally made.
C.R.S. § 31-23-102
This section is similar to former § 31-1-405 as it existed prior to 1975.