definiens: , as defined below ), CORIXA shall complete the transfer of the manufacturing technology relating to the Material by diligently rendering technical assistance to PMC so that PMC is abl e to manufacture or have manufactured the LeIF, but only for use in the production of Products . In such event, CORIXA shall promptly disclose to PMC, at any time upon first request in writing by PMC, all information and current Know -How not yet disclosed p ursuant to this Agreement that is reasonably necessary for PMC to manufacture or have manufactured LeIF . Such disclosure and supporting technical assistance shall be made at PMC 's costs and expenses, and CORIXA shall invoice to PMC its reasonable out -of - pocket expenses as incurred in connection with such transfer . There shall be no additional fees or payments ( other than additional royalties as provided for in accordance with Article 4 hereof ) due to final completion of the manufacturing technology transfer . After the first occasion only of any such failure, the Parties agree that CORIXA shall have the right to resume manufacture for PMC as the sole supplier of LeIF to PMC under the terms and conditions of the Supply Agreement at such time as CORIXA demonstrates to PMC 's reasonable satisfaction that it can supply PMC 's requirement for LeIF . For the purpose of this Section 12.1 1, shall mean the first time CORIXA fails to supply at least ninety percent ( 90 % ) of the amount of LeIF being subject to a PMC 's firm order placed by PMC with CORIXA pursuant to and in accordance with the Supply Agreement