 The bank was acquired by National Provincial Bank in 1961.It became a subsidiary of National Westminster Bank upon the merger of its parent with Westminster Bank in 1968, and joined The Royal Bank of Scotland Group in 2000, when NatWest was acquired by the smaller Scottish bank.On 21 May 2019, the High Court of Justice of the Isle of Man granted approval to transfer the business and undertakings of Isle of Man Bank Limited to the Isle of Man branch of The Royal Bank of Scotland International Limited trading as Isle of Man Bank; these changes came into effect on 28 May 2019.