15.4  No Implementation without Consent

The Contractor shall not implement any variation to a Works Delivery Plan until the Authority consents or is deemed to have consented to the variation in accordance with the Review Procedure or [Construction] [Refurbishment] Programme as the case maybe, provided that in the case of a Change in Law the Authority shall be deemed to have given such consent.  Once consented to, a proposed variation will form part of the Contractor's Proposals.