Mass. Gen. Laws ch. 2 § 3
Current with Act changes effective as of August 27, 2024
The flag of the commonwealth shall consist of a white rectangular field, bearing on either side a representation of the arms of the commonwealth, except that the star shall be white. The naval and maritime flag of the commonwealth shall consist of a white rectangular field bearing on either side a representation of a green pine tree.
Mass. Gen. Laws ch. 2, § 3