Alcoholic Beverages Control Commission Regulations. These enforce provisions detailed within Chapter 138 of Massachusetts General Law.Do you know everything there is to know about alcoholic beverages in The Pilgrim State? If not, then this guide is for you. Chapter 138: ALCOHOLIC LIQUORS. Section 34: Sale, delivery or furnishing alcoholic beverages to persons under twenty-one years of age; employment of persons under eighteen years of age. Massachusetts prohibits carrying open containers of alcohol in public places. If you have been charged with violating Massachusetts' laws regarding underage drinking, please contact us at 617-742-6020.