Schedule C (Form 1040) 2018

Form 1040 Schedule C is used to report profit or loss from a business. It is attached to Form 1040, 1040NR, or 1041. The form requires information such as the name of the proprietor, social security number, principal business or profession, and business address. It also asks for details about income, expenses, and cost of goods sold. The form includes sections for car and truck expenses, expenses for business use of home, and other expenses not included in previous sections. The form must be filled out accurately and attached to the appropriate tax return.