A second technical note, published on 27 August, provided further detail on how IHT will apply to unused pension funds from 6 April 2027.
With less than eight months to go, however, advisers have warned that the implementation timetable remains challenging, with further legislation and detailed guidance still awaited.
Andrew Tully, technical services director at Nucleus, said the industry should generally be able to make the required system and process changes, provided there are no significant changes to the proposals before implementation.
He also highlighted competing demands on platforms, including planned ISA changes, tax-year-end requirements and any measures announced in the upcoming Budget.