SIDES E-Response Electronic Application
STATE INFORMATION DATA EXCHANGE SYSTEM (SIDES) E-RESPONSE
Complete this registration to receive and respond to Notice to Employer (UB-110) forms electronically rather than by U.S. Postal Service when someone you employed files a claim for Arizona Unemployment insurance benefits and you are this individual’s last employer or a base period employer (Arizona uses a base period of employment to determine eligibility for unemployment. The base period is the first four of the last five completed quarters before the application for benefits was filed).
Note: This registration and use of the SIDES E-Response system is for responding to notices sent after the receipt of this registration. All previously received notices must be responded to via paper form.
Federal Tax Identification Number (FEIN)
Arizona Unemployment Tax Account Number
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