That is correct. All vendors in AZ have a Transactional Priveledge Tax (TPT) license and filing requirement. Additionally, you are required to file a $0 TPT return even if no sales for the year.
Here is a link for filing resources and help.
You can file online at AZTaxes.gov.
Here is a link to step-by-step instructions also found at AZtaxes.gov.
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