Amendments to the complaint, including joinder, substitution, or discontinuance as to parties, shall be allowed by the court at any time upon just and reasonable terms; but all amendments shall be in writing, signed and sworn to, like the original.
Mass. Gen. Laws ch. 185, § 32
Amendments
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.