10.1 The Authorities may vary the terms of this Agreement including admitting additional authorities to the Project, the terms of such admission to be agreed by the Authorities.
10.2 Where an additional Authority is admitted to the Project it shall enter into a Deed of Variation in a form agreed by the Authorities and from the date of its admittance to the Project all provisions of this Agreement shall apply to the admitted Authority and the definition of "Authorities" shall include it.