Regulation 2 Amendment of the Taxes (Interest Rate) Regulations 1989 Original text. Later amendments are not shown. The Taxes (Interest Rate) Regulations 1989f1 shall be amended as follows. Annotations Footnotes f1 S.I. 1989/1297. The relevant amending instruments are S.I. 1996/3187 and 1999/2538. ← Regulation 1 Regulation 2 Regulation 3 →