2. In this Act of Sederunt:—
“the Act of 1986” means the Family Law Act 1986;
“appropriate court” means the High Court in England and Wales or the High Court in Northern Ireland, as the case may be;
“appropriate register” means the court book in which there is registered
the action in which the custody order was originally sought;
“custody order” has the meaning assigned to it by sections 1, 32, 40, 42(5) and 42(6) of the Act of 1986;
“proper officer” means the Secretary of the Principal Registry of the Family Division of the High Court in England and Wales or the Master (Care and Protection) of the High Court in Northern Ireland, as the case may be.