Who took the the British oath and allegiance?

The British oath of allegiance is typically taken by individuals entering certain public offices, members of the armed forces, and those becoming citizens of the United Kingdom. The oath affirms loyalty to the monarch and the laws of the UK. It is commonly taken by Members of Parliament, judges, and other officials as part of their duty to the state. Additionally, individuals applying for British citizenship must also take an oath of allegiance as part of the naturalization process.