sole proprietorship business use what form to file tax extension
How to File for an Extension for a Sole Proprietorship. Request a tax extension for your sole proprietorship on the IRS website. Duncan Smith/Photodisc/Getty Images. Sole proprietorships typically report business income on Schedule C, which corresponds with the individual tax return Form 1040.Because you file your business taxes with your personal taxes, you must request an extension on your personal taxes.ree Fillable Forms. The IRS offers a website dedicated to electronically filing certain tax forms free. The Free Fillable Forms website contains Form 4868, which is the Application for Automatic Extension form. Create an account through the Free Fillable Forms website and complete Form 4868.