John joined fellow MPs in taking an oath of allegience to the Crown. This is done when an MP is first elected and can also be repeated after the death of the Monarch.
The wording of the oath comes from the Promissory Oaths Act 1868. The form and manner of giving the oath are set out in the Oaths Act 1978. MPs take the oath by holding the sacred text in their uplifted hand and saying the words of the oath:
I swear by Almighty God that I will be faithful and bear true allegiance to His Majesty King Charles, his heirs and successors, according to law. So help me God.
Members with no religious faith can make a solemn affirmation instead leaving out reference to God.
The oath/affirmation must first be made and taken in English. Members can follow this with an oath or affirmation in Welsh, Scottish Gaelic or Cornish. Texts of the oath and affirmation are available in Braille.
Full details can be found on the Parliament website
