The general anti-abuse rule (the GAAR): • counteracts (by the making of adjustments on a just and reasonable basis by HMRC or the taxpayer) • tax advantages that would, ignoring the GAAR, arise from abusive tax arrangements, and • has applied since 17 July 2013 (the date of Royal Assent to the Finance Act 2013 (FA 2013)) except that, in respect of National Insurance contributions (NICs), it has only applied since 13 March 2014 This Practice Note: • explains the provisions introduced by the Finance Act 2021 (FA 2021) that adapted the standard GAAR procedures for partnerships • discusses the purpose of the GAAR • sets out when the GAAR applies and considers: ◦ the meaning of tax arrangements and tax advantages ◦ the taxes covered by the GAAR ◦ the meaning of abusive for the purposes of the GAAR, and ◦ the GAAR penalty, and • outlines a number of taxpayer safeguards built into the legislation • outlines the interaction with various other anti-avoidance rules, such as the accelerated payment