Below, we'll review the filing methods most real estate agents use when they file as sole proprietors, so you'll know what's what when tax time comes. Free Consultation - Call - Directs is dedicated to providing our clients with legal services in Tax Services and Property Tax cases.To elect an Arizona withholding percentage, an employee must complete Arizona Form A-4, and submit it to their employer. Listing – An employment contract to represent a seller in the marketing of the seller's property. This selfemployed status allows you to deduct many of the expenses you incur in your real estate sales or property management activities. You can complete these copies online for furnishing statements to recipients and for retaining in your own files. Specific Instructions. Form 1040 is your annual tax return form. Withholding returns must be filed electronically for taxable years beginning from and after December 31, 2019. These instructions are intended to provide clarification for completing the Affidavit.