other quality-related matters. Customer shall promptly return any Product (or portions thereof) rejected pursuant to Section 4.8(a) to Manufacturer at Manufacturer's expense. With respect to any Non- Complying Product rejected by Customer, in addition to any other rights or remedies of Customer hereunder, Customer may elect, in its sole discretion, upon written notice to Manufacturer to either (i) have Manufacturer replace any Non-Complying Product as soon as practicable at no additional charge to Customer; provided that (A) the Manufacturer shall replace such Non-Complying Product within a period of ninety (90) days beginning on the date that the Manufacturer confirms or a Third-Party laboratory determines that the subject Product is a Non-Complying Product, and (B) if Manufacturer fails to replace such Non-Complying Product within such ninety (90) day period, then a Triggering Event shall be deemed to have occurred and the provisions of Section 2.5 shall apply; or (ii) be reimbursed for the Price of the Non-Complying Product actually paid. Manufacturer shall reimburse Customer for the cost of all Customer-Supplied Materials used to manufacture any Non-Complying Product (unless such Product is a Non-Complying Product due to any Non-Complying Customer-Supplied Material, as applicable). (d) Independent Testing. If the Parties are unable to agree on whether Product rejected by Customer is Non-Complying Product, then Manufacturer may hire an independent Third-Party laboratory, subject to Customer's prior written approval of such laboratory, not to be unreasonably withheld, conditioned or delayed, to perform testing on such rejected Product in accordance with the Specifications, applicable Laws and the Quality Agreement, which Third Party laboratory shall promptly provide the results thereof to Customer and Manufacturer. Manufacturer must engage such Third-Party laboratory within the thirty (30) day period following Manufacturer's receipt of Customer's rejection notice. If Manufacturer fails to engage such Third-Party laboratory during such thirty (30) day period,