Massachusetts General Laws

Mass. Gen. Laws ch. 231, § 6C (2026)

Interest added to damages in contract actions

✓ current as of July 2026

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Section 6C. In all actions based on contractual obligations, upon a verdict, finding or order for judgment for pecuniary damages, interest shall be added by the clerk of the court to the amount of damages, at the contract rate, if established, or at the rate of twelve per cent per annum from the date of the breach or demand. If the date of the breach or demand is not established, interest shall be added by the clerk of the court, at such contractual rate, or at the rate of twelve per cent per annum from the date of the commencement of the action, provided, however, that in all actions based on contractual obligations, upon a verdict, finding or order for judgment against the commonwealth for pecuniary damages, interest shall be added by the clerk of the court to the amount of damages, at the contract rate, if established, or at a rate calculated pursuant to the provisions of section six I from the date of the breach or demand. If the date of the breach or demand is not established, such interest shall be added by the clerk of the court from the date of the commencement of the action.

Notes of Decisions

Cited in 248 cases (31 in the last 5 years), 1971–2026 · leading case: United California Bank v. E. Mountain Sports, Inc., 546 F. Supp. 945 (D. Mass. 1982).

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United California Bank v. E. Mountain Sports, Inc., 546 F. Supp. 945 (D. Mass. 1982). · cites it 16× “See Mass.Gen.Laws Ann. ch. 231, § 6C. Counsel for UCB and EMS are directed to confer to determine whether they can reach agreement on the amount of the judgment to be entered in conformity with this opinion.”

Sterilite Corp. v. Cont'l Cas. Co., 494 N.E.2d 1008 (Mass. 1986). · cites it 8× “This case presents a question regarding the appropriate way to calculate prejudgment interest under G. L. c. 231, § 6C (1984 ed.). The present controversy arises out of a judgment entered in the Superior Court awarding the plaintiff, Sterilite Corporation (Sterilite), damages…”

Perkins Sch. for the Blind v. Rate Setting Comm'n, 423 N.E.2d 765 (Mass. 1981). · cites it 8× “The court allowed further interest on the damage judgment thus computed in conformity with G. L. c. 231, § 6C. Id. at 666-667. We granted the defendants’ motion for further appellate review.”

Zabin v. Picciotto, 896 N.E.2d 937 (Mass. App. Ct. 2008). · cites it 4× “Upon entry of the judgment, the trial judge awarded the plaintiffs statutory interest under G. L. c. 231, § 6C, commencing as of April 7,1999, the date on which Travelers filed its interpleader complaint.”

Lannan v. Levy & White, 186 F. Supp. 3d 77 (D. Mass. 2016). · cites it 5× “*94 Finally, White argues that including prejudgment interest in the total amount due in the Statement of Claims was not an FDCPA violation because White could have amended the Statements of Claim before the clerk made the wrongful “prejudgment interest on prejudgment interest”…”

Gross v. Sun Life Assurance Co. of Canada, 880 F.3d 1 (1st Cir. 2018). · cites it 2× “"26 She now asserts that the court should have employed the greater of Massachusetts's interest rate for contractual obligations (12%), see Mass. Gen. Laws ch. 231, § 6C, or Sun Life's earnings percentage for the time period at issue.”

Anastos v. Sable, 819 N.E.2d 587 (Mass. 2004). · cites it 4× “4 The plaintiff additionally argues that G. L. c. 231, § 6C, requires that he receive prejudgment interest because the judgment ordered that the defendants pay him monetary compensation and the entitlement was based on contractual obligations.”

Town of Lexington v. Town of Bedford, 393 N.E.2d 321 (Mass. 1979). · cites it 5× “The record indicates that the reference occurred in the context of Lexington’s request for interest under G. L. c. 231, § 6C, as appearing in St. 1973, c.”

Bank v. Thermo Elemental Inc., 451 Mass. 638 (Mass. 2008). · cites it 2× “231, § 6B, provides for prejudgment interest in tort actions, and G. L. c. 231, § 6C, provides the same in relation to contract actions.”

Poras v. Pauling, 874 N.E.2d 1127 (Mass. App. Ct. 2007). · cites it 4× “16 The wife argues, in the alternative, that even if the husband was not adjudged in contempt in September, 1994, the “monetary damages” found by the court to have accrued after the December, 1989, contempt judgment (totaling $26,275) carry interest under G. L. c. 231, § 6C, 17…”

Nissan Automobiles of Marlborough, Inc. v. Glick, 816 N.E.2d 161 (Mass. App. Ct. 2004). · cites it 4× “Nissan claims (1) that the judge erred, as matter of law, in ruling that Albrecht’s first attempt to exercise the purchase option was invalidly noticed; (2) that the judge should have awarded statutory interest under G. L. c. 231, § 6C, on the rental payments made after the…”

Riley v. Countrywide Home Loans, Inc. (In re Duplication Mgmt., Inc.), 501 B.R. 462 (Bankr. D. Mass. 2013). · cites it 5× “, June 13, 2012, to the date of entry of judgment, pursuant to Mass. Gen. Laws ch. 231, § 6C; Count II against Countrywide Home Loans, Inc.”

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