definiens: ( as defined under the Social Security Act, 42 U.S.C. Sections 1396r-8(c)(1)(C ) ) for each Product identified by NDC, ( ii ) within twe nty - five ( 25 ) days after the end of each calendar month, the ( as defined under the Social Security Act, 42 U.S.C. Sections 1396r-8(k)(l ) ) and units for each Product identified by NDC and ( iii ) any other information reasonably requested by the Sellers to allow the Sellers to comply with such requirements, and, in each case, a certification to the best of the Purch aser ’s knowledge of the accuracy and completeness t hereof ( subject to any updates of the information included in such certification ) in all material respects, w ithin ten ( 10 ) days after BH publicly announces its quarterly financial results ; provided, that the Purchaser ’s obligations pursuant to this Section 5.18(b ) shall expire thirt y ( 30 ) days after the end of the calendar quarter i n which the Purchaser suspends its usage of the Sellers ’ NDC nu mbers in connection with the Business