An attorney at law who unreasonably neglects to pay over money collected by him for and in behalf of a client, when demanded by the client, shall forfeit to such client five times the lawful interest of the money from the time of the demand.
Mass. Gen. Laws ch. 221, § 51
Failure to pay client's money; penalty
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.