definiens: thereof ( as such term is defined in the UCC ), to secure payment to Purchaser of amounts equal to thePurchased Receivables as they are paid under the Product Agreements, and the Seller Parties do hereby authorize Purchaser to ﬁlesuch ﬁnancing statements ( and continuation statements with respect to such ﬁnancing statements when applicable ) as may benecessary to perfect its security interest . The Seller Parties waive, to the maximum extent permitted by law, any right to contest orotherwise assert that this Agreement is other than a true, complete, absolute and irrevocable sale by the Seller Parties to Purchaserof the Purchased Receivables under applicable Law, which waiver shall be enforceable, to the maximum extent permitted by law, against the Seller Parties in any bankruptcy or insolvency proceeding relating to any Seller Parties