19. (1) Each person, other than a final customer, who has any duties imposed on him or her pursuant to this Order shall submit a document to the Commission for approval in such form as may be required by the Commission from time to time specifying the procedures which he or she will adopt in order to comply with those duties and, when approved by the Commission, shall comply with those procedures.

F81[(2) The document mentioned in paragraph (1) shall specify such procedures as may be necessary or expedient in order to secure the proper performance by each such person of his or her duties pursuant to this Order, including the following:

(a) in the case of the Board or suppliers, as the case may be, in respect of the following:

(i) the procedures according to which each constituent element of the PSO Levy or PSO Payment specified in Article 8(1) of this Order will be estimated;

(ii) the dates by which those persons will provide the information required by this Order to the Commission and the format in which such information shall be supplied;

(b) in the case of suppliers, the procedures suppliers propose to adopt in respect of the following:

(i) for the invoicing of the PSO Levy or crediting of the PSO Payment to final customers, including the format of invoices;

(ii) for ensuring the collection of the PSO Levy from, or crediting of the PSO Payment to, final customers;

(iii) for calculating their administrative expenses involved in the collection of the PSO Levy or crediting of the PSO Payment;

(iv) for making or collecting payments of amounts in respect of the PSO Levy collected from, or PSO Payments to be credited to, the distribution system operator and transmission system operator, as appropriate;

(c) in the case of the distribution system operator, the procedures which the distribution system operator proposes to adopt in respect of the following:

(i) for the collection and recovery of amounts in respect of the PSO Levy from suppliers who collect it from final customers connected to the distribution system payments of amounts in respect of the PSO Payment, in accordance with Schedule 2, to suppliers who credit the PSO Payment to final customers connected to the distribution system;

(ii) for the calculation of its administrative expenses involved in the collection of the PSO Levy or payment of the PSO Payment;

(iii) for the onward payment of amounts received in respect of the PSO Levy to the transmission system operator;

(d) in the case of the transmission system operator, the procedures which the transmission system operator proposes to adopt in respect of the following:

(i) for the collection and recovery of amounts in respect of the PSO Levy from suppliers who collect it from final customers connected to the transmission system, or for the collection and recovery of amounts in respect of the PSO Payment from relevant suppliers, and from the distribution system operator;

(ii) for the calculation of its administrative expenses involved in the collection of the PSO Levy or payment of the PSO Payment;

(iii) for the payment of amounts in respect of the PSO Levy or collection of amounts in respect of the PSO Payment from the Board or supplier.]

(3) A document referred to in paragraphs (1) and (2) which has been approved by the Commission in accordance with paragraph (1) may, with the consent of the Commission, be modified from time to time.

(4) A document referred to in paragraphs (1) and (2) which has been approved by the Commission in accordance with paragraph (1) shall, at the request of the Commission, made in compliance with the Notification and the provisions of this Order, be modified from time to time in accordance with the request of the Commission.