69.1  Final Surveys

No later than eighteen (18) Months prior to the Expiry Date, the Authority shall be entitled to carry out or procure the carrying out of:

(a)  a survey (the Project Network Survey) of the Project Network to assess whether it has been, and is being, maintained by the Service Provider in accordance with its obligations under clause 28.1 (Standard of Service) and/or clause 28.5 (Maintenance);

(b)  a survey and/or investigation of the accuracy of the Management Information System (the Management Information System Survey) to determine whether or not the Management Information System has been, and is being, kept up to date by the Service Provider in accordance with its obligations under this Contract; and

(c)  if the Service Provider has been notified under clause 69.4(a) that rectification and/or maintenance work is required, then no earlier than twelve (12) Months prior to the Expiry Date, the Authority shall (to the extent the works have not been carried out by the Service Provider in the interim) deduct the cost of the Project Network Survey and/or the Management Information System Survey and the costs of any required works as quantified by either the Project Network Survey or the Management Information System Survey in equal instalments from each Monthly Unitary Charge payable after the date of notification and pay such amount into an interest bearing account (the Retention Fund Account) until this Contract has expired or terminated,

and subject to clause 69.4(c), the cost of the Final Surveys shall be borne by the Authority.