IHTM35012 | Instruments of Variation: what you should do when you receive an IoV
From HM Revenue & Customs · Inheritance Tax Manual
When you receive an IoV, executed on or after 1 August 2002, you will need to
check the proximity of the time limits, (IHTM35013) and give the case the appropriate level of priority accordingly
ensure that the instrument conforms to the published guidelines (IHTM35021),
check that if the variation results in additional tax a notification of the additional tax (IHTM35029) has been sent
check through form IOV2 (IHTM35029) if it has been completed, and
complete form IOV1 (IHTM35031) to establish whether or not the instrument meets the conditions of IHTA84/S142.
If the IoV was executed before 1 August 2002, omit the third and fourth steps.