Whenever the search or examination conducted for the issuance of a policy involves either an extra chain of title or other unusual complexity, fees shall be charged for each additional chain of title pertaining to platted tracts and for each tract of unusual complexity of search and examination. If the separate values for each tract are not apportioned in the policy, their values for the purposes of this section shall be in the same proportions as their areas bear to the entire area insured.
N.M. Admin. Code § 13.14.9.16