An estate or interest in land created without an instrument in writing signed by the grantor or by his attorney shall have the force and effect of an estate at will only, and no estate or interest in land shall be assigned, granted or surrendered unless by such writing or by operation of law.
Mass. Gen. Laws ch. 183, § 3
Estate created without instrument in writing
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.