Rhode Island Code of Regulations
Title 280 - Department of Revenue
Chapter 20 - Division of Taxation
Subchapter 20 - TAX CREDITS/DEDUCTIONS
Part 2 - Research and Development Expenses Credit (280-RICR-20-20-2)
Section 280-RICR-20-20-2.4 - Minimum Tax and Carryover

In the case of corporations, the credit allowed shall not reduce the tax due to less than the minimum fixed by R.I. Gen. Laws § 44-11-2(e); however, if the amount of credit allowable reduces the tax to the minimum fixed by R.I. Gen. Laws § 44-11-2(e), any amount of credit not used may be carried over to a maximum of seven (7) years. For purposes of R.I. Gen. Laws Chapter 44-30 (Personal Income Tax), if the credit allowed exceeds the taxpayer's tax, the amount of credit not used may be carried over to a maximum of seven (7) years.