4.7  Extension of Step-In Period

As at the date of the first anniversary of the Step-in Date, if the Step-in Period has not previously ended, and:

(a)  the Authority is in the course of conducting discussions in good faith with a Proposed Substitute (the novation to whom has been approved by the FM Contractor whether automatically or otherwise in accordance with clause 4.3), the Step-in Period shall be extended and shall continue until such date as is proposed by the Authority and agreed by the FM Contractor; or

(b)  contracts have been exchanged by the Authority with a Proposed Substitute (which has been approved by the FM Contractor in accordance with clause 4.3) as at such date,

the Step-in Period shall be extended and shall continue until the date such contracts are completed, provided that such date shall not be later than [thirty (30)] Business Days after exchange.