New South Wales Consolidated Regulations(Rules 6.12, 26.6 and 36.7)
| Column 1 | Column 2 |
| Period | Interest rate (per cent per year) |
| the beginning of 1 July 1972 to the end of 31 December 1973 | 5 |
| the beginning of 1 January 1974 to the end of 31 December 1980 | 10 |
| the beginning of 1 January 1981 to the end of 30 June 1981 | 13.5 |
| the beginning of 1 July 1981 to the end of 30 June 1982 | 14.5 |
| the beginning of 1 July 1982 to the end of 31 December 1983 | 15.5 |
| the beginning of 1 January 1984 to the end of 31 December 1985 | 14.5 |
| the beginning of 1 January 1986 to the end of 30 June 1986 | 18.25 |
| the beginning of 1 July 1986 to the end of 31 October 1987 | 19.5 |
| the beginning of 1 November 1987 to the end of 29 February 1988 | 18 |
| the beginning of 1 March 1988 to the end of 28 February 1989 | 15 |
| the beginning of 1 March 1989 to the end of 31 August 1989 | 17 |
| the beginning of 1 September 1989 to the end of 31 August 1990 | 21 |
| the beginning of 1 September 1990 to the end of 28 February 1991 | 19 |
| the beginning of 1 March 1991 to the end of 31 August 1991 | 17 |
| the beginning of 1 September 1991 to the end of 28 February 1992 | 15 |
| the beginning of 29 February 1992 to the end of 31 August 1992 | 13 |
| the beginning of 1 September 1992 to the end of 31 August 1993 | 11.25 |
| the beginning of 1 September 1993 to the end of 28 February 1995 | 10.5 |
| the beginning of 1 March 1995 to the end of 28 February 1997 | 12 |
| the beginning of 1 March 1997 to the end of 31 August 1997 | 10.5 |
| the beginning of 1 September 1997 to the end of 31 August 1998 | 10 |
| the beginning of 1 September 1998 to the end of 29 February 2000 | 9.5 |
| the beginning of 1 March 2000 to the end of 31 August 2000 | 10 |
| the beginning of 1 September 2000 to the end of 31 August 2001 | 11 |
| the beginning of 1 September 2001 to the end of 28 February 2002 | 10 |
| the beginning of 1 March 2002 to the end of 31 December 2006 | 9 |
| the beginning of 1 January 2007 to the end of 5 March 2009 | 10 |
| after 5 March 2009 | 9 |