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My EZTaxInitEx function call failed. What do I do?


When running the EZTaxInitEx function call, you received errors (null tax table pointer and invalid session handle). 


Avalara AvaTax for Communications License


  • Look in the *.sta status files for an indication of why the failure occurred. The most common reasons are:

    • The database files have expired.
    • The file paths to the database and output files were not specified.