Mass. Gen. Laws ch. 128, § 122

The department may inspect and have access to the equipment, supplies, records, real property and other information deemed necessary to carry out the department's duties under sections 116 to 123, inclusive, from a person participating in the planting, growing, harvesting, possessing, processing, purchasing, selling or researching of hemp, industrial hemp. The department may establish an inspection and testing program to determine delta–9 tetrahydrocannabinol levels and ensure compliance with the limits on delta–9 tetrahydrocannabinol concentration.