However, you must complete the front of this form and file it with your employer before he can stop withholding. Use the March 2024 revision of Form 941 to report taxes for the first quarter of 2024; don't use an earlier revision to report taxes for 2024.All Illinois Courts must accept these forms. Virginia has reciprocity with several other states. Complete Form W-4 so that your employer can withhold the correct federal income tax from your pay. Give Form W-4 to your employer. The registered agent must be: • an individual who resides in Illinois, OR. • an entity authorized to transact business in this state. To find out if you qualify, write a letter of request to the Illinois Department of Revenue, Sales. All Illinois Courts must accept these forms. No one completing Illinois taxes for the first time can submit and pay online.