(1) For the purpose of the hearing of any appeal to His Majesty in Council from any court in a British possession, His Majesty may, if he thinks fit, authorise any person who is or has been a judge of the court from which the appeal is made, or a judge of a court to which an appeal lies from the court from which the appeal is made, and whose services are for the time being available, to attend as an assessor of the Judicial Committee of the Privy Council on the hearing of the appeal.