The phrases "most recently published annual yield on conventional mortgages published by the board of governors of the federal reserve system as of the fifteenth day of the month immediately preceding the month in which the application for the extension of credit is received by the creditor," as used in Section 58-21A-3(F) NMSA 1978, and "conventional mortgage rate" as used in Section 58-21A-3(C) (F) and (G) (1) NMSA 1978, refer to the conventional mortgage index published in the federal reserve "selected interest rates" (statistical release H-15). The creditor must use the most recently published weekly yield immediately preceding the 15th.
N.M. Admin. Code § 12.15.3.9