8.1 From the Commencement Date the Catalogue shall be that set out in Part 1 of Appendix 1 to this Schedule Part 16 (Change Protocol) and the Small Works and Services Rates shall be those set out in Part 2 of Appendix 1 to this Schedule Part 16 (Change Protocol).
8.2 Subject to paragraph 8.3 of this Section 2 (Low Value Changes), the unit prices and the Small Works and Services Rates set out in the Catalogue and the Small Works and Services Rates shall be indexed on each anniversary of the Commencement Date for the change in RPI since the Commencement Date or, after the first Catalogue Review Date, since the most recent Catalogue Review Date.
8.3 On the date which is twenty (20) Business Days before each Catalogue Review Date, Sub-hubco must provide the Authority with:
8.3.1 a revised and updated Catalogue which:
(a) includes in the Catalogue unit prices for any types of Low Value Changes which have occurred and which the parties consider are reasonably likely to reoccur during the life of the Project and any other types of Low Value Changes as the parties may agree; and
(b) includes time periods for the carrying out of each listed type of Low Value Change; and
8.3.2 updated Small Works and Services Rates.
The unit prices and Small Works and Services Rates will be for the ensuing three-year period following the Catalogue Review Date. The unit prices must represent good value for money having regard to:
(a) prices prevailing for similar items in the market at the time; and
(b) paragraph 4.2 of this Section 2 (Low Value Changes).
The Small Works and Services Rates must provide value for money with reference to rates prevailing for similar services in the market at the time.
8.4 Within ten (10) Business Days of the submission by Sub-hubco of the revised and updated Catalogue and Small Works and Services Rates pursuant to paragraph 8.3 of this Section 2 (Low Value Changes), the Authority shall confirm in writing whether or not it agrees that the revised and the updated Catalogue shall constitute the Catalogue and the updated Small Works and Services Rates shall constitute the Small Works and Services Rates for the purposes of this Agreement from the relevant Catalogue Review Date;
8.5 If the Authority does not confirm to Sub-hubco that it agrees with the revised and updated Catalogue and/or Small Works and Services Rates provided by Sub-hubco pursuant to paragraph 8.3 of this Section 2 (Low Value Changes), the parties shall meet and endeavour, in good faith, to agree any amendments to the Catalogue and/or Small Works and Services Rates. Any dispute in relation to this paragraph 8 may be referred by either party to the Dispute Resolution Procedure. The revised and updated Catalogue and revised and updated Small Works and Services Rates with such amendments as are agreed by the parties or determined under the Dispute Resolution Procedure shall constitute the Catalogue and the Small Works and Services Rates for the purposes of this Agreement from the relevant Catalogue Review Date.