Ariz. Rev. Stat. § 28-5635
A. When a supplier ceases to engage in business as a supplier in this state and discontinues, sells or transfers the business:
1. The supplier shall notify the director in writing at least ten days before the discontinuance, sale or transfer takes effect. The notice shall give:
2. All taxes, penalties and interest not then due and payable under this article or section 28-8344 are due and payable concurrently with the discontinuance, sale or transfer. Concurrent with the discontinuance, sale or transfer, the supplier shall: