These Regulations amend the Taxes (Interest Rate) Regulations 1989/1297 (“1989 Regulations”). The 1989 regulations specify rates of interest for the purposes of the enactments specified in section 178(2) of the Finance Act 1989 (c. 26). The amendments made by these Regulations specify the applicable rates of interest for unpaid and overpaid amounts of multinational top-tax and domestic top-up tax.