default interest(A higher interest rate payable after default. Bloomberg Financial Dictionary –––– Interest HM Customs and Excise charge on VAT that has been underdeclared or overclaimed, from the time the amount due has been paid. HM Customs & Revenue Glossary Alexander Demidov)
penalty interest(Penalty Interest Loss of interest or charge incurred on partial withdrawal or closure of account where account conditions allow. Found on encyclo.co.ukAlexander Demidov)
