Massachusetts January 1, 2024 5:29 pm With start of new year, new laws go into effect in Massachusetts Laws that went into effect on Jan. 1 include the first state tax cut in more than 20 years. US & World Videos 2:45 Volunteers from Mass. helping with Helene recovery efforts 0:13 Man killed in Mattapan shooting 0:46 Packed memorial service in Methuen for late Mayor Neil Perry 3:53 Cooler temperatures in New England on Sunday 4:27 Cloudy Sunday in New England