SDLTM85930 - Compliance: Interest

Interest on unpaid tax: Relevant date

Interest is payable on an amount of unpaid tax from 30 days after the relevant date, inaccordance with FA03/S87. From 1 March 2019, where a return and tax due is required within 14 days, interest is payable on any unpaid tax from 14 days after the relevant date, in accordance with FA03/S87.

For most cases the relevant date will be the effective date of the transaction with theexception of the following

  • when relief is withdrawn under FA03/SCH7/PARA1 (group relief) the relevant date is the date when a disqualifying event occurs under FA03/SCH7/PARA3. See SDLTM23070
  • when relief is withdrawn under FA03/SCH7/PARA7 (reconstruction and acquisition reliefs) the relevant date is the date when a disqualifying event occurs under FA03/SCH7/PARA9. See SDLTM23230
  • when relief is withdrawn under FA03/SCH8 (charities relief) the relevant date is the date when a disqualifying event occurs under FA03/SCH8/PARA2. See SDLTM26020
  • when a deferred payment under FA03/S90 has been applied for and agreed the relevant date is the date upon which the deferred payment falls due. See SDLTM50900