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(7) Where the recipient of a notice or other document served or sent by electronic transmission notifies the sender within 7 days of receipt that the recipient requires a paper copy of all or part of that notice or other document the sender must provide such a copy as soon as reasonably practicable. 

(8) Any consent to the use of electronic communication given by a person may be revoked by that person in accordance with paragraph (9). 

(9) Where a person is no longer willing to accept the use of electronic transmission for any of the purposes of this Order— 

(a) that person must give notice in writing or by electronic transmission revoking any consent given by that person for that purpose; and 

(b) such revocation is final and takes effect on a date specified by the person in the notice but that date must not be less than 7 days after the date on which the notice is given. 

(10) This article must not be taken to exclude the employment of any method of service not expressly provided for by it. 

(11) In this article “legible in all material respects” means that the information contained in the notice or document is available to that person to no lesser extent than it would be if served, given or supplied by means of a notice or document in printed form. 

## Arbitration 

62. —(1) Except where otherwise expressly provided for in this Order and unless otherwise agreed in writing between the parties, any difference under any provision of this Order (other than a difference which falls to be determined by the tribunal) must be referred to and settled by a single arbitrator to be agreed between the parties or, failing agreement, to be appointed on the application of either party (after giving notice in writing to the other) by the President of the Institution of Civil Engineers. 

(2) Subject to any other provision of this Order, any arbitration to be undertaken under paragraph (1) must be carried out using the same process as is set out in sub-paragraphs (2)(d) to (f), (4) to (8) and (12) of paragraph 19 of Schedule 2 subject to the modifications set out in paragraph (3). 

(3) The modifications referred to in paragraph (2) are that references in those provisions of Schedule 2 to each of the terms set out in column (1) of the following table are replaced by the corresponding term in column (2) of the table— 

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## Consents, agreements, certifications and approvals 

63. —(1) Where any application is made to a relevant authority, the consent, agreement or approval concerned must, if given, be given in writing and is not to be unreasonably withheld or delayed. 

(2) If a relevant authority which has received an application fails to notify the undertaker of its decision before the end of the period of 28 days beginning with the date on which the application was received, the relevant authority is deemed to have given its consent, certification, agreement or approval, as the case may be. 

(3) Any application to which this article applies must include a written statement that the provisions of paragraph (2) apply to that application. 

(4) In this article— 

