Section 280-RICR-20-55-2.8 - PaymentA. The filing or granting of an extension of time to file does not extend the time for payment of tax due on the return.B. Pursuant to R.I. Gen. Laws § 44-30-84, if you do not pay the amount due by the regular due date, you will owe interest on the amount of tax due. 1. In accordance with R.I. Gen. Laws § 44-1-7, as amended, interest is assessed at 18% per annum and accrues until the date you pay the tax. Interest may not be abated.C. Pursuant to R.I. Gen. Laws § 44-30-85, you may also be assessed a late filing addition to the tax (penalty) and/or a late payment addition to the tax (penalty). 1. The late filing addition to the tax is generally 5% (.05) of the amount of tax due for each month or part of a month your return is late.2. The late payment addition to the tax is generally 1/2 of 1% (.005) of the amount of tax due for each month or part of the month your payment is late.280 R.I. Code R. 280-RICR-20-55-2.8