premise: 3. The obligations set forth in Paragraph 2 hereof shall not apply, or shall terminate, with respect to any particular portion of NYNEX Confidential Information which: (a) was in CONSULTANT's possession, free of any obligation of confidence, prior to receipt from NYNEX, as proven by CONSULTANT's written records; provided, however, that CONSULTANT immediately informs NYNEX, in writing, to establish its prior possession; (b) is already in the public domain at the time NYNEX communicates it to CONSULTANT, or becomes available to the public through no breach of this Non-Disclosure Agreement by CONSULTANT; (c) is received independently from a third party free to disclose such information to CONSULTANT; (d) is developed by CONSULTANT, independently of and without reference to any Confidential Information of NYNEX or any other information that NYNEX has disclosed in confidence to any third party, as proven by CONSULTANT's written records; (e) is disclosed by CONSULTANT to a third party, with the express prior written permission of NYNEX; (f) is disclosed by CONSULTANT in order to satisfy any legal requirement of any competent government body; provided, however, that immediately upon CONSULTANT's receipt of any such request, CONSULTANT shall first advise NYNEX of same before making any disclosure to such body, so that NYNEX may either interpose an objection to such disclosure before such body, or take action to assure confidential handling of the Confidential Information by such body, or take other action to protect the Confidential Information which NYNEX deems appropriate under the circumstances; or (g) in any event, five (5) years after the date of execution of this Non-Disclosure Agreement.