A vendor account is used to receive payroll for payroll withholding, as well as payments for taxes not covered by the state's general sales tax. 2 Tax Identification Number. The tax identification number (TIN) is required to obtain a tax identification number (TIN) from the Arizona Department of Revenue. For more information on the Arizona TIN Program, visit our TIN page. 3 Tax Payment and Return Information. This section presents a brief description of how to fill out a tax payment and tax return. The section also shows how to request forms for filing a state tax return, the number of tax return forms received, the total number of returns mailed, and the number of returns accepted. Instructions for the Submitting of Form W-9 (Rev. October 2018) An entity registered at all times during the tax year under and. This form meets the Federal Requirements to request a taxpayer identification. A vendor account is used to receive payroll for payroll withholding, as well as payments for taxes not covered by the state's general sales tax. An entity must obtain a valid taxpayer identification number (TIN). 1. Complete the following line one. The complete lines, listed in order of preference, are: a Tax Identification Number (TIN), a Name and Address, a Payment Information, a Certificate Identification Code (CIC) or “A”, or an Explanation of why the taxpayer identification number (TIN) is not yet available. (This is not the only way to request a new TIN for an entity. If the taxpayer identification Number (TIN). 2. Complete the following line two. If the above information is not received within 3 days of the date of the call, we will contact the person submitting the request. (An entity must provide us the TIN number for the entity, so we can request a new one.) (If we have already issued a new TIN for this entity, the tax ID number will be printed on the back of this form.) 3 An entity registered at all times during the tax year under. This form meets the Federal Requirements to request a taxpayer identification. (If this entity is located outside the United States it will need to contact the tax authorities in that country to obtain its TIN.) 4 The tax identification number (TIN) is required to obtain a tax identification number (TIN) from the Arizona Department of Revenue. For more information on the Arizona TIN Program, visit our TIN page.