definiens: shall mean one or more contract manufacturers designated in writing from time to time byXOMA . The terms and conditions of any agreement between XOMA and the XOMA Authorized Site shall also applyto any activities undertaken on behalf of AFFIMED pursuant to this Section 2.7 . No such entity or person shall bedeemed to be a XOMA Authorized Site unless and until, as to each Licensed Immunoglobulin or Immunoglobulinsubject to Section 2.5(b ), as applicable, to be produced pursuant to this Section 2.7, it enters into a legally bindingagreement with AFFIMED that implements the provisions of this Section 2.7, naming XOMA as a third partybeneficiary of those provisions of such agreement that pertain to confidentiality and restrictions on transfer and use ofLicensed Immunoglobulins, XOMA Patent Rights and XOMA Know - How provided for in this Agreement