EXPIRATION DATE AND EXTENSION This Contract expires January 31, 2023, unless it is terminated sooner pursuant to Article XX of the General Terms and Conditions, which are incorporated into this Contract by reference. This Contract may be extended up to three additional one-year periods upon request of Sourcewell and with written agreement by the Contractor, not to exceed a total of four years.
Entry into force and duration 1. This Agreement shall enter into force one month after the date of exchange of the instruments of ratification by the Contracting Parties. The Agreement shall remain in force for a period of ten years. Unless notice of termination is given by either Contracting Party at least six months before the expiry of its period of validity, this Agreement shall be tacitly extended each time for a further period of ten years, it being understood that each Contracting Party reserves the right to terminate the Agreement by notification given at least six months before the date of expiry of the current period of validity.