The Group, each Warrantor and the Purchasers will from time to   time execute and deliver all such further documents and instruments and do all acts and things as the other party may, either before or after the Closing Date, reasonably require to effectively carry out or better evidence or perfect the full intent and meaning of this Agreement. The Purchasers further agree to assume the obligations undertaken as of the Closing Date by the Group to the former Group employees listed in Schedule X regarding the immigration and work visa status of such employees, so long as such employees are employed by the Purchasers.