N.M. Stat. § 47-16-13
Purchaser’s cancellation of a purchase contract.
If a purchaser elects to cancel a purchase pursuant to Section 11 [47-16-11 NMSA
1978] of the Homeowner Association Act, the purchaser may do so by hand delivering
notice of the cancellation to the lot owner or by mailing notice of cancellation, by prepaid
United States mail, to the lot owner, or to the lot owner's agent for service of process.
Cancellation shall be without penalty, and all payments made by the purchaser before
cancellation shall be refunded within fifteen days.