CIRD68050 | Land Remediation Relief: Tax Credit: Interest
From HM Revenue & Customs · Corporate Intangibles Research and Development Manual
ICTA88/S826 (3B)
Interest under ICTA88/S826 is payable on land remediation tax credit from the material date, i.e. the later of:
the filing date for the company’s tax return for the relevant accounting period, and
the date on which the company tax return, or amended return, containing the claim is delivered to HMRC.