Remote sellers should report taxes on sales to Arizona customers to the customer's shipping address. The decision allows states to require out-of-state businesses without a physical presence to collect and remit tax on sales from transactions in their state.Sales of Goods Agreements, International. Get information about online options available for paying sales taxes, filing tax returns, managing your business account, and reviewing history. The purpose of the CISG is to provide a modern, uniform and fair regime for contracts for the international sale of goods. • Send each tax return with corresponding payment in a separate envelope if you are filing multiple tax years. • Sign and date your tax return. Search for business topics like employer tax identification number (EIN) information, with the A-Z Index. Discount Applies To Pay Later Base Only. Recordkeeping: out-of-City and out-of-State sales. Sec. 14-370.