SECTION 1. Subsection (a1/2) of section 4 of chapter 94G of the General Laws is hereby amended by striking clause (xxv) and inserting in place thereof the following:

(xxv) requirements for reasonable THC potency limits for each type of marijuana product sold by a licensee and reasonable potency or dosing limits for marijuana concentrates and edible products, that shall, at a minimum, include: (1) a prohibition on marijuana flower with potency in excess of 10% THC; (2) a prohibition on marijuana concentrates intended for inhalation following vaporization or combustion that exceed 5mg THC per metered serving, or with potency exceeding 10%; (3) a prohibition on concentrated forms of marijuana products which fail to clearly provide metered, or otherwise measured, standard delivered servings of 5 mg THC; (4) a prohibition on packages of marijuana concentrate that exceed 20 metered or measured servings of 5 mg;  (5) a prohibition on any marijuana product with added sweeteners;  (6) a prohibition on any marijuana product with a characterizing flavor for which the primary use is human inhalation of the gases, particles, vapors or byproducts released as a result of the combustion, electrical ignition, or vaporization of the flavored marijuana product; (7) a prohibition on any inhalable cannabinoid product containing non-cannabis-derived substances, including flavors, non-cannabis terpenes, and/or chemicals that alter a legal THC product’s consistency, texture, or viscosity; (8) a prohibition on any liquid marijuana products intended for consumption by mouth, except for tinctures; (9) a prohibition on components to strengthen the intoxicating psychological effects of any marijuana product.