Except as provided in Section 60, a taxing jurisdiction shall allow a home service provider to treat the address used by the home service provider for tax purposes for any customer under a service contract or agreement in effect on or before July 28, 2002 as that customer's place of primary use for the remaining term of the service contract or agreement, excluding any extension or renewal of the service contract or agreement, for purposes of determining the taxing jurisdictions to which taxes, charges, or fees on charges for mobile telecommunications services are remitted.
35 ILCS 638/55