General Laws: CHAPTER 9, Section 8

PART I ADMINISTRATION OF THE GOVERNMENT
(Chapters 1 through 182)
TITLE II EXECUTIVE AND ADMINISTRATIVE OFFICERS OF THE
COMMONWEALTH
CHAPTER 9 DEPARTMENT OF THE STATE SECRETARY
Section 8 Information available to federal census authorities

Section 8. The secretary shall make available for inspection and copying by the federal authorities charged with the taking of the United States census such information in his possession as said authorities may desire.