premise: EFCA shall ensure that disclosure of such Confidential Information is restricted to those employees or directors of EFCA and EFCA’s principals having the need to know the same.  Copies or reproductions shall not be made except to the extent reasonably necessary and all copies made shall be the property of the disclosing party. 3. Return of Confidential Information 3.1 EFCA shall: 3.1.1 immediately upon receipt of a written request from the disclosing part, return to the disclosing party all documents and materials (and all copies thereof) containing the disclosing party’s Confidential Information and certify in writing to the disclosing party that it has complied with the requirements of this sub-clause; and 3.1.2 notwithstanding the completion of any purpose for which any Confidential Information has been disclosed or the return of documents and materials as aforesaid, continue to the bound by the undertakings set out in clauses 2, 4 and 5. 4. Limitations and Warranty 4.1 EFCA shall: 4.1.1 not divulge the disclosing party’s Confidential Information, in whole or in part, to any third party; and