The public offices shall be closed on all legal holidays except March seventeenth, May twentieth, and June seventeenth; provided, however, in Suffolk county such offices shall be closed on March seventeenth and June seventeenth or the day following when either of said days occurs on Sunday.
Mass. Gen. Laws ch. 136, § 12
Legal holidays; public offices; closing
Official source: Massachusetts Legislature. Reproduced from public-domain Massachusetts statutes; confirm against the official source for the current text. Not legal advice.