TSEM3215 | Capital items that are income for tax purposes: UK life assurance gain trust office receives a chargeable event certificate
From HM Revenue & Customs · Trusts, Settlements and Estates Manual
The chargeable event certificate should show the policy holders are the trustees.
If not a company, the gain is usually chargeable on the settlor. However the gain is chargeable on the trustee if either of the following apply:
the individual who created the trust is not resident in the UK at the time of the chargeable event
the individual who created the trust is dead at the time of the chargeable event
If the gain is chargeable on the settlor send the certificate, with a covering note, to the settlor’s tax office.
If it is chargeable on the trustees, refer to TSEM3210.