A voter who states to the presiding officer that from blindness or other physical disability or inability to read or to read in the English language he is unable to prepare his ballot or register his vote upon a voting machine shall be assisted in such marking or registering by any person whom he may designate.
Mass. Gen. Laws ch. 54, § 79
Assistance in marking ballots
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.