R.I. Gen. Laws § 44-19-27: Records required — Users — Collectors of taxes — Promoters — Inspection and preservation of records.

(a) Every person storing, using, or consuming in this state tangible personal property purchased, leased, or rented from a retailer, or from a person other than a retailer in any transaction involving a taxable casual sale, shall keep books, records, receipts, invoices, and other pertinent papers in the form the tax administrator may require. Those books, records, receipts, invoices, and other papers shall at all reasonable times be open to the inspection of the tax administrator and his or her agents.

(b) Every person required to collect tax shall keep records of every sale or occupancy and of all amounts paid, charged, or due and of the tax payable, in forms the tax administrator may by regulation require. The records shall include a true copy of each sales slip, invoice, receipt, statement, or memorandum upon which § 44-19-8 requires that the tax be stated separately.

(c) Every promoter shall keep a record of the name, address and permit number of every person the promoter permits to display or sell tangible personal property, services, or food and drink at a show.

(d) The records shall be available for inspection and examination at any time upon demand by the tax administrator or his or her authorized agent or employee and preserved for a period of three (3) years, except that the tax administrator may consent to their destruction within that period or may require that they be kept longer.