19.13.—(1) Where the court orders that a deputy, donee or attorney is entitled to remuneration out of P's estate for discharging functions as such, the court may make such order as it thinks fit including an order that—
(a)the deputy, donee or attorney be paid a fixed amount;
(b)the deputy, donee or attorney be paid at a specified rate; or
(c)the amount of the remuneration shall be determined in accordance with the schedule of fees set out in the relevant practice direction.
(2) Any amount permitted by the court under paragraph (1) shall constitute a debt due from P's estate.
(3) The court may order a detailed assessment of the remuneration by a costs officer in accordance with rule 19.10(b).