1980 House Bill 0285. An Act To Amend The Massachusetts Blue Laws So As To Repeal Them For Three Legal Holidays, Namely, Memorial Day, Labor Day, And Columbus Day, By Allowing Stores To Open On These Holidays; Also, To Allow Supermarkets To Open Not Only On The Three Aforementioned Holidays, But Also On Two No-Sunday-Law Holidays, Namely, Washington's Birthday And Patriot's Day.