Regulation 2 Original text. Later amendments are not shown. In these Regulations “the principal Regulations” means the Taxes (Interest Rate) Regulations 1989f1. Annotations Footnotes f1 S.I. 1989/1297; relevant amending instruments are S.I. 1993/2212 and 1998/3176. ← Regulation 1 Regulation 2 Regulation 3 →