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Diagnostic message: On CA 540

🔍 Diagnostic message: On CA 540

Need to enter county on the CA 540 page 1, immediately above the section for Principal Residence Information

📊 Step-by-Step Guide

Step 1: Enter the county on CA 540 (Page 1)

Use this when you need to resolve the diagnostic message.

Go to CA 540 and open Page 1.

Enter the county in the field located immediately above the section for Principal Residence Information.

📞 Still Need Help?

If you are having trouble, contact our support team:

Phone: 1-800-516-9442

Or submit a support ticket



Tags: state,form,diagnostic
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