STATUTES
Massachusetts' sales and use tax statutes are found in Mass. Gen. Laws Title IX: Taxation, Chapters 64H and 64I:
REGULATIONS
Regulations related to sales and use tax are found at 830 CMR 64.H. Examples of sections included in this chapter are:
CASES
Try the following topic / key numbers in the West KeyNumber System to find cases. You can search Massachusetts alone, or across several jurisdictions:
LETTER RULINGS
Search Department of Revenue: Letter Rulings by "Sales/Use", or use a commercial database and search by keyword.
Jerome R. Hellerstein & Walter Hellerstein, State Taxation, (3d ed. 1998) -- Available on Westlaw Next
Massachusetts Practice Series (Volume 4: Taxation) -- In print and on Westlaw Next
American Bar Association Sales and Use Tax Deskbook (Chapter 22: Massachusetts) -- available on Westlaw Next