Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 161, § 64

The purchasing or consolidated company may, subject to section twenty-eight, increase its capital stock and issue bonds to an amount necessary for the purposes authorized in the preceding section, and may exchange its securities for those of the selling or merged company, if the aggregate amount of the capital stock and debt of the two contracting companies shall not by reason of such purchase and sale or consolidation be increased.