| 2023-Q1 | 2023-Q2 | 2023-Q3 | 2023-Q4 | 2024-Q1 | |
| Overdue | 8% | 9% | 9% | 9% | 10% |
| Overpayment – Individuals | 4% | 5% | 5% | 5% | 6% |
| Overpayment – Corporations | 6% | 7% | 7% | 7% | 8% |
| Benefits | 4% | 5% | 5% | 5% | 6% |
The prescribed rate is based on the average yield of Government of Canada three-month Treasury bills auctioned in the first month of the preceding quarter, rounded up to the next whole percentage. In October 2024, the three-month T-Bills was 5.16%.