Interest rates remain the same March 2018 Tax News

There have been no changes to current interest rates

The current rate on personal income tax underpayments and overpayments, corporation underpayments, and estimate penalties will remain the same at 4 percent through 2018.

The corporation overpayment rate will also remain the same at 1 percent through December 31, 2018.

For more information on interest rates, go to and go to our interest rates webpage.