Despite these fundamental changes, the 16th-century Act remained unamended on the statute books. From a British perspective, the Irish Free State became legislatively independent with the passage in the British parliament of the Statute of Westminster 1931. However, the Irish Free State considered itself legislatively independent before its passage and did not recognize its legal situation as being changed. The country thereafter shared the person of its monarch with the United Kingdom and the other Dominions of the then-called British Commonwealth. The Irish Free State adopted a new constitution in 1937, although the Irish monarchy was not abolished in UK law until the Republic of Ireland Act 1948. The Tudor Act remained on the republic's statute books until formally repealed in 1962. , Northern Ireland remains a constituent part of the United Kingdom, and the act remains law there. However, the offence in the act making it treason to endanger the sovereign or her possession of the Crown now carries only a maximum sentence of life imprisonment, following complete abolition of capital punishment in the United Kingdom in 1998.