Mass. Gen. Laws ch. 106, § 9-611
(a) ''Notification date.'' In this section, ''notification date'' means the earlier of the date on which:
(c) Persons to be notified. To comply with subsection (b), the secured party shall send an authenticated notification of disposition to:
(3) if the collateral is other than consumer goods:
(e) Compliance with subsection (c)(3)(B). A secured party complies with the requirement for notification prescribed by subsection (c)(3)(B) if:
(2) before the notification date, the secured party: