IHTM10803 | Accountability: time limits
From HM Revenue & Customs · Inheritance Tax Manual
The normal time limit for delivering an account is
twelve months from the end of the month in which the transfer is made, or
if later, three months from the date when the accountable person first becomes liable for the tax.
The rule is modified for
transfers that arise on death ()
potentially exempt transfers (PETs) ()
gifts with reservations (GWRs) ()
relevant property trust charges that arise on or after 6 April 2014 ()
Penalties () may be chargeable if an account is not delivered within the statutory time limit. There are also penalties for failing to deliver an account ().