501 CMR 19.05
Reporting of Firearm Transactions
All transactions involving a firearm within the commonwealth, including, but not limited to,
all purchases, sales, rentals, leases, loans or other transfers shall be reported by all parties to the
transaction via the MIRCS portal within seven days of the sale, rental, lease, loan or other
transfer.
No report shall be required for a loan of a firearm to a duly licensed or exempted person for
a period of less than seven days.