Not sure what you're referring to. If you're a sole proprietor, then you'd file a Schedule C with your individual tax return. If you have a co-founder, he/she w

Not sure what you're referring to. If you're a sole proprietor, then you'd file a Schedule C with your individual tax return. If you have a co-founder, he/she would need to file separately. Is that your plan or do you want to create a business together?