Appointment of Public Trustee as trustee

(1) A testator may appoint the Public Trustee to be trustee or custodian trustee under any testamentary instrument without previously applying to him for his consent to act as such. (2) No such appointment by a testator shall have effect, and no appointment of the Public Trustee to be trustee or custodian trustee shall be made except by a testator unless and until (in either case) the consent of the Public Trustee to act as such trustee shall have been obtained in accordance with these Rulesprovided that in the case of any such appointment by a testator the Public Trustee shall at any time after the fact of his appointment shall have come to his knowledge be at liberty to act as if an application had been received by him. (3) It shall be the duty of any person appointed by a testator to be co-trustee with the Public Trustee, and not renouncing or disclaiming the trust, to give to the Public 9 Trustee notice in writing of such appointment as soon as practicable after the same has come to his knowledge.