Customer’s Written Notice. Customer will provide written notice of its intention to substitute the purchase of an Aircraft with the purchase of a Substitute Aircraft, (a) no later than the first day of the month that is 12 months prior to the scheduled month of delivery of the Aircraft for which it will be substituted, provided that a Subsitute Aircraft has been previously certified and delivered to Customer, or (b) no later than the first day of the month that is 15 months prior to the scheduled month of delivery of the Aircraft for which it will be substituted, if a Substitute Aircraft has not been previously certified and delivered to Customer.
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Customer’s Written Notice. Customer will shall provide written notice of its intention to substitute the purchase of an Aircraft with the purchase of a Substitute Aircraft, (a) Aircraft no later than the first day of the month that is 12 months *** prior to the scheduled month of delivery of the Aircraft for which it will be substituted, provided that a Subsitute Substitute Aircraft has been previously certified and delivered to Customer, or (b) no later than the first day of the month that is 15 months prior to the scheduled month of delivery of the Aircraft for which it will be substituted, if a Substitute Aircraft has not been previously certified and delivered to Customer.
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Customer’s Written Notice. Customer will shall provide written notice of its intention to substitute the purchase of an Aircraft with the purchase of a Substitute Aircraft, (a) Aircraft no later than the first day of the month that is 12 months *** prior to the scheduled month of delivery of the Aircraft for which it will be substituted, provided that a Subsitute Aircraft has been previously certified and delivered to Customer, or (b) no later than the first day of the month that is 15 months prior to the scheduled month of delivery of the Aircraft for which it will be substituted, if a Substitute Aircraft has not been previously certified and delivered to Customer.
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Customer’s Written Notice. Customer will provide written notice of its intention to substitute the purchase of an Aircraft with the purchase of a Substitute Aircraft, (a) no later than the first day of the month that is 12 twelve months prior (for Model 737-700 and 737-800 aircraft) and fifteen moths prior (for Model 737-900ER aircraft) to the scheduled month of delivery of the Aircraft for which it will be substituted, provided that a Subsitute Substitute Aircraft has been previously certified and delivered to Customer, or (b) no later than the first day of the month that is 15 months prior to the scheduled month of delivery of the Aircraft for which it will be substituted, if a Substitute Aircraft has not been previously certified and delivered to Customer.or;
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Samples: Purchase Agreement (China Eastern Airlines Corp LTD)