definiens: means any event orcondition, not existing as of the date of this Agreement, not reasonably foreseeable as of such date and not reasonably withinthe control of the affected Party, which prevents in whole or in material part the performance by the affected Party of itsobligations hereunder or which renders the performance of such obligations so difficult or costly as to make such performancecommercially unreasonable, including without limitation riots, civil or military disturbances, war, strikes, lockouts, laborslowdowns or stoppages, prolonged shortage of energy supplies, epidemics, fire, flood, hurricane, typhoon, earthquake, lightning, and explosion . The Party claiming relief under this Section 14.2 shall promptly notify the other Party in writing, but in no event later than ten ( 10 ) calendar days of the occurrence, should any such cause arise and shall promptly take stepsto remedy any delay or failure in performance upon removal of the circumstances causing such delay or failure . In no eventshall any Party be required to prevent or settle any labor disturbance or dispute . For clarity, the Development Trigger shall notbe extended by reason of this Section 14.2