Mass. Gen. Laws ch. 106, § 9-502
(a) Sufficiency of financing statement. Subject to subsection (b), a financing statement is sufficient only if it:
(b) Real-property-related financing statements. Except as otherwise provided in Section 9–501(b), to be sufficient, a financing statement that covers as-extracted collateral or timber to be cut, or which is filed as a fixture filing and covers goods that are or are to become fixtures, must satisfy subsection (a) and also:
(c) Record of mortgage as financing statement. A record of a mortgage is effective, from the date of recording, as a financing statement filed as a fixture filing or as a financing statement covering as-extracted collateral or timber to be cut only if:
(3) the record satisfies the requirements for a financing statement in this section, but: