Include the signature and title of the preparer. The author should be prepared to substantiate any facts if an audit occurs. Be submitted as a signed Sole or Single Source Justification form attached ...

A sole proprietor reports the sole proprietorship income and/or losses and expenses by filling out and filing a Schedule C, along with the standard Form 1040. Your profits and losses are first ...

Different types of businesses will have different deadlines for their taxes. S-corporations need to file by March 17, 2025.

you may file online with a $50 filing fee with the Illinois Secretary of State, or you can submit an application by mail. Do I need a business name for sole proprietorship? Your business is legally ...