Where the estate or charge is vested in the official custodian by virtue of an order under section 18 of the Charities Act 1993, an application to register him as proprietor (whether under Chapter 1 of Part 2 of the Act or following a registrable disposition) must be accompanied by an application for the entry of a restriction in Form F.

Where the official custodian is registered as proprietor of a registered estate or a registered charge, except where the estate or charge is vested in him by virtue of an order under section 18 of the Charities Act 1993, the address of the charity trustees or, where the registered estate or registered charge is held on behalf of a charity which is a corporation, the address of the charity, must be entered in the register as his address for service under rule 198.