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 Employer’s Instructions for the                                                                      Arizona Form 
 Employee’s          Arizona Withholding Election                                                                 A-4 
For information or help, call one of these numbers:             •  A qualifying nonresident employee may use Form A-4 to 
Phoenix                                 (602) 255-3381             elect to have a percentage of his or her wages withheld to be 
From  area codes 520 and 928, toll-free (800) 352-4090             applied to his or her Arizona income tax liability.   
Tax forms, instructions, and other tax information              EMPLOYMENT        REQUIRING WITHHOLDING 
If you need tax forms, instructions, and other tax information, Withholding tax shall be deducted from the compensation of: 
go to the department’s website atwww.azdor.gov.                 •  Wages paid to an Arizona resident whose compensation is 
Withholding Tax Procedures and Rulings                             for services performed within this state.  
These instructions may refer to the department’s withholding    •  Wages paid to a nonresident employee who is in this state 
tax procedures and rulings for more information.  To view or       solely for athletic or entertainment purposes. 
print these, go to our website and click on Reports & Legal     •  Wages paid to part-time or seasonal agricultural employees 
Research then click on Legal Research and select a Document        whose principal duties are operating any mechanically-
Type  and Category from the drop down menus.                       driven device in such operations.  
Publications                                                    •  Wages paid to a non-resident who is in this state for 60 or 
To view or print the department’s publications, go to our          more days in a calendar year for the purpose of performing 
website and click on Reports & Legal Research. Then click on       a service that will benefit the employer or a related entity.   
 Publications.                                                  EMPLOYMENT FOR WHICH WITHHOLDING MAY 
Arizona employers are required to make Form A-4 available to    BE ELECTED 
employees at all times and to inform them  of Arizona’s         •  A nonresident Arizona employee in this state for less than 
 withholding election options.                                     60 days may elect to have Arizona withholding amounts 
Arizona income tax withholding is a percentage of gross            subtracted from his or her paycheck and the employer must 
taxable wages. "Gross taxable wages" is the amount that meets      withhold tax based on the employee’s election to do so. 
the federal definition of "wages." Generally, it is the amount  •  An out of state business may elect to withhold tax from the 
included in box 1 of the employee’s federal Form W-2 at the        nonresident employee before the 60 day limitation has 
end of the calendar year.                                          elapsed.   
Employees elect the percentage of their gross taxable wages     EMPLOYMENT        EXCLUDED FROM WITHHOLDING 
they wish to be withheld.  They may also elect to have an extra NOTE:  An employee exempted from withholding tax may not 
amount withheld from each paycheck.                             be exempted from paying Arizona income tax. 
COMPLETING ARIZONA FORM A-4                                     No withholding amount shall be deducted from: 
•  All employees are required to complete Form A-4.             •  Wages paid to an employee of a common carrier when that 
•  New employees must complete Form A-4 within 5 days of           employee is a nonresident of Arizona and regularly 
   employment.  If the employee fails to complete the form,        performs services inside and outside the state. 
   the employer must withhold 2.7% of the employee’s wages      •  Wages paid for domestic service in a private home. 
   until the employer receives a completed Form A-4 from that   •  Wages paid for casual labor not in the course of the 
   employee.                                                       employer’s trade or business. 
•  Current employees must complete an updated Form A-4 to       •  Wages paid for part-time or seasonal agricultural labor 
   elect a different Arizona withholding percentage or to          whose services to the employer consist solely of labor in 
   change any extra amount to be withheld from his or her          connection with the planting, cultivating, harvesting or field 
   paycheck.                                                       packing of seasonal agricultural crops.   
•  An employee may elect an Arizona withholding percentage      •  Wages paid to a nonresident of Arizona who is solely in this 
   of zero if that employee expects to have no Arizona income      state on a temporary basis for the purpose of performing 
   tax liability for the current taxable year.                     disaster recovery from a declared disaster during a disaster 
   o  If an employee makes this election, his or her employer      period.   
      will not withhold Arizona tax from his or her paycheck    •  Wages paid to a nonresident of Arizona engaged in any 
      for all payroll periods beginning after the date of the      phase of motion picture production, if the employer applies 
      employee’s election.                                         for an exemption from the withholding provisions, and the 
   o  Each employee claiming to be exempt from Arizona             department determines that the nonresident would be 
      withholding must renew this election annually. Each          allowed a credit for taxes paid to his or her state of 
      employee who wishes to keep this election in the next        residency or domicile. 
      taxable year must complete and provide to his or her      •  Wages paid to a nonresident of Arizona who is: 
      employer a new Form A-4 by February 15th of the              o  An employee of an individual, fiduciary, partnership, 
      following year.  If the employee fails to provide an         corporation, or limited liability company having 
      updated Form A-4 by February 15th, the employer will         property, payroll and sales in this state, or of a related 
      with withhold Arizona income tax at the default rate,        entity having more than fifty percent direct or indirect 
      2.7% until the employee provides the employer with an        common ownership.  
      updated Form A-4.                                            o  Physically present in this state for less than sixty (60) 
                                                                   days in a calendar year for the purpose of performing a 



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                                                                                                          Arizona Form A-4 
     service that will benefit the employer or the related       Example  2:  
     entity.  For purposes of determining the number of days     Corporation F, based in California, is the common parent of 
     of service in this state, days spent in the following       Corporation W. Corporation F does not have property, payroll 
     activities are not included:                                and sales in Arizona. Corporation W has property, payroll, and 
       In transit                                               sales in Arizona. L is an employee of F and is not an Arizona 
       Engaging in personal activities                          resident.  L performs services for F in Arizona for 55 days 
       Participating in training or professional                during calendar year 2020. 
        development activities or attending meetings that 
        are not directly connected to the Arizona operations      Example 3: 
        of the employer or related entity.                       D owns 60 percent of Corporation K and 51 percent of 
A “related entity having more than 50 percent direct or indirect Corporation S. N owns 40 percent of Corporation K and 49 
common ownership” means that the related entities are more       percent of Corporation S. Corporation S has property, payroll 
than 50 percent owned by the same interests.  The following      and sales in Arizona. Corporation K is based in California and 
examples demonstrate three different situations in which the     has no Arizona property, payroll, and sales.  T is an employee 
nonresident employee performs services in Arizona for less       of K and is not a resident of Arizona.  T performs services for 
than 60 days during the calendar year.                           K in Arizona for 35 days during calendar year 2020. 
                                                                  
Example 1: 
                                                                  
Corporation A is the U.S. domestic parent of Corporation B, a 
wholly owned foreign subsidiary corporation. Corporation A 
has property, payroll and sales in Arizona. Corporation B 
operates in China.  It has no Arizona property, payroll and 
sales.  R is an employee of B and is not a resident of Arizona.  
R performs  services for B in Arizona for 45 days during 
calendar year 2020.   

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