The new income and capital tax treaty between Guernsey and the UK entered into force on 7 January 2019. The treaty signed, 2 July 2018, replaces the 1955 tax arrangement between Guernsey and the UK. Taxes Covered The treaty covers Guernsey income tax and UK income tax, corporation tax, and capital gains tax. Residence If a company is considered resident in both Territories, the competent authorities will determine the company's residence for the purpose of the treaty by mutual agreement, having regard to its place of effective management, the place where it is incorporated or otherwise constituted and any other...