There is exempted from the computation of the amount of the sales tax the gross receipts from the sale of any tangible personal property to the United States, its agencies and instrumentalities.
R.I. Gen. Laws § 44-18-31
Exemption of sales to federal government
P.L. 1947, ch. 1887, art. 2, § 32; G.L. 1956, § 44-18-31.
Official source: Rhode Island General Assembly. Reproduced from public-domain Rhode Island statutes; confirm against the official source for the current text. Not legal advice.