Proposed Safe Harbor Election. Each holder of Class B2 Units authorizes the Partnership to make the safe harbor election provided for by the Revenue Procedure proposed in Notice 2005-43, 2005-2 C.B. 107, or any similar election provided in published guidance relating to the compensatory transfer of partnership interests (in any case, a “Safe Harbor Election”) in the manner that the General Partner determines will be most advantageous to the Partnership. Each such holder agrees to cooperate with the Partnership to perfect and maintain any Safe Harbor Election and to timely execute and deliver any documentation with respect thereto reasonably requested by the General Partner. Each of the Partnership and each such holder agrees to comply with all requirements of the Safe Harbor Election. A Safe Harbor Election once made may be revoked by the Partnership if permitted by the rules applicable to the Safe Harbor Election.