Unused Existing Effective Date Capacity but (y) is unavailable at the time that the Verizon Collocator wishes to install the Verizon Reserved Amount of Equipment due to the prior installation (from and after the Effective Date) of Communications Equipment by any Tower Subtenant or Tower Operator (including following a change in applicable Law that became effective after the Effective Date). Notwithstanding the preceding provisions of this Section 6(a)(ii)(A)(2): (y) Tower Operator will not be required to pay the cost of such structural modifications required to enable the Verizon Collocator to use its Unused Existing Effective Date Capacity that was reduced due to a change in Law, if between the Effective Date and the date Verizon Collocator submits an application to Tower Operator for adding additional equipment to the Tower, no new or additional Communications Equipment has been installed on the Tower by any new or existing Tower Subtenant (unless such existing Tower Subtenant was permitted to install such equipment pursuant to the terms of a Collocation Agreement executed prior to the Effective Date), and (z) Tower Operator’s obligations under this Section 6(a)(ii)(A)(2) with respect to any Site shall terminate upon any assignment or transfer of the Verizon Collocator’s rights, duties or obligations to such Site or the Verizon Collocation Space at such Site (other than any such assignment or transfer to any Affiliate of the Verizon Collocator permitted by Section 16(b)(i)).