Section 280-RICR-20-25-1.5 - When to File a Claim for RefundA. Corporate Tax 1. A refund claim may be filed at any time within three (3) years after the tax has been paid or within three (3) years after receiving notice of change or correction of taxable income by the Federal Government. 2. If the refund claim is attributable to a "net operating loss carryback" or a "net capital loss carryback," the refund may be claimed within three (3) years of the due date of the original return.B. Insurance Companies Tax on Gross Premiums, Public Service Corporation Gross Earnings Tax, Banking institution Excise Tax, Bank Deposits Tax. 1. A refund claim may be filed at any time within two (2) years after the tax has been paid or within two (2) years after receiving notice of change or correction of taxable income by the Federal Government. 280 R.I. Code R. § 280-RICR-20-25-1.5