The financial resolution passed by the Dáil on 19 May provides for a new higher stamp duty rate of 10% where at least ten residential units, excluding apartments, are acquired by an individual or corporate entity such as a company in any 12-month period. This new measure is triggered when a residential unit is acquired on or after 20 May 2021, with the look-back 12-month period commencing at that time on a rolling basis. The units acquired during that period are aggregated. When the tenth unit is acquired, it is ch…