Massachusetts Late Fee Calculator

Find the legal maximum late fee in Massachusetts. Based on Mass. Gen. Laws ch. 231 §6C (interest on judgments); ch. 271 §49 (usury).

Max per month
1.5%
Annualized cap
18%
Written agreement
Required
Grace period
0 days

Massachusetts Late Fee Calculator

Based on Mass. Gen. Laws ch. 231 §6C (interest on judgments); ch. 271 §49 (usury)

Late fee owed$15.00

QuickBillMaker applies late fees automatically based on your configured policy. Set it once and stop chasing payments by hand.

How Massachusetts late fees work

In Massachusetts, late payment fees on commercial invoices are governed by Mass. Gen. Laws ch. 231 §6C (interest on judgments); ch. 271 §49 (usury). The legal maximum is 1.5% per month (18% annualized). Civil judgment interest 12% per year. Criminal usury 20% per year (must register to charge over 20%). Commercial contracts may set higher.

The fee must be stated in a written agreement before the work is performed. Without a written rate, only the statutory default rate applies.

Massachusetts prompt-pay law

Massachusetts Prompt Payment Act (Mass. Gen. Laws ch. 149 §29E) Pay apps must be approved within 15 days; payment within 45 days of submission. Interest at prime + 1% if late.

Stop calculating late fees by hand

QuickBillMaker applies your Massachusetts late fee rate automatically when invoices go overdue.

Automate late fees free