definiens: in Section 1.1 entitled : shall mean compulsory payments and cash rebates related to the sales of such Product paid to a government authority ( or agent thereof ) pursuant to the Patient Protection and Affordable Care Act as amended by the Health Care Education Affordability Reconciliation Act, to the extent allowed and taken . ” 4 . The Principal Agreement is hereby amende d to add the following additional subparagraph in the definition of after subparagraph ( c ) in Section 1.1 entitled : “ ( d ) The portion of the Industry Fees attributable to sales of authorized Generic Verapamil . ( such Industr y Fee calculated as follows : authorised Generic Verapamil sales, divided by Total branded prescription drug sales ( as defined by section 9008 of the Act ) for all of [COMPANY] ’s products, multiplied by Waton ’s final Industry Fees amount . ) ” 5 . The Principal Agreement is hereby amended by deleting the final subparagraph in the definition of in Section 1.1 entitled and replacing it in its entirety with the following paragraph : “ NSP shall be determined on an accrual method of ac counting determined in accordance with generally accepted accounting principles and on a basis consistent with [COMPANY] ’s customary practices ( except for the Industry Fees which is classified as an operating expense for GAAP purposes )