This Draft Standard for Trial Use contains the format and establishes the contents of the Tax Jurisdiction Sourcing Transaction Set (158) for use within the context of an Electronic Data Interchange (EDI) environment.  This standard can be used to transmit any address, in US Postal Service format, from a wireless telecommunications vendor to the holder of tax jurisdiction sourcing information for the state in which the address resides, and to receive in return a sourcing of all tax jurisdictions which have governance over the address in question.