IPT06620 | Maintaining the IPT Register: Procedures for updating the IPT register: Correcting or amending the register
From HM Revenue & Customs · Insurance Premium Tax
Correction and amendment procedures are the same as each other.
Procedures for making the required changes to the registration details are explained in IPT10125.Changes to a group registration
IPT06235 deals with group registrations generally.
The procedures for amending group details are explained in IPT10275.