Authorizes private donations to MA's Cannabis Social Equity Trust Fund and a loan-guarantee program for social-equity cannabis lenders, plus a tax check-off option.

Requires MA Cannabis Control Commission, with EOPSS, to study barriers to first responders' legal cannabis use and report findings to lawmakers by Dec 31, 2026.

Requires EOEEA rules with local costs to undergo a Regulatory Impact Statement (RIA), notify stakeholders 30 days before hearings, and comply with Chapter 30A to protect ratepayers.