HMRC have announced new rates of interest for quarterly instalment payments and early payments of corporation tax not due by instalments, in respect of accounting periods ending on or after 1 July 1999.
The rate of interest charged on underpaid instalment payments of corporation tax changes from 6% to 5.5%.
The rate of interest on overpaid instalment payments of corporation tax, and on corporation tax paid early (but not due by instalments) changes from 4.75% to 4.25%.
The new rates take effect from 20 October 2008.