premise: 9. Notwithstanding any termination or expiration of this Agreement, the provisions of this Agreement, as they relate to the safeguard, disclosure or use of Proprietary Information shall, unless agreed otherwise by the Parties, or unless such information becomes part of the public domain through no fault of the receiving party, remain in full force and effect  a) for a period of five (5) years from expiration or termination of this Agreement when the disclosing party is a potential supplier to CAE, or  b), for a period of twenty five years if the disclosing party is CAE. 