Business and Personal Income Taxes: 

April 15, 2019 – File Small Business Schedule C with ​your personal tax return. Schedule C is the business profit and loss form that must be submitted with your personal income taxes on Form 1040. Your Schedule C net income is included with your other sources of income to determine your taxable income. A sole proprietorship and single member LLC’s file business taxes on Schedule C.

Corporations must file Form 1120 Corporate Income Tax Return. If your corporation has a calendar year-end, your corporate income tax return is due on April 15. If you want to file an extension, it’s due on this date, using IRS Form 7004.

First Installment of Estimated Taxes Due. If you pay estimated taxes, then the first installment of estimated taxes for the current year is due. 

 If you need  to file an extension application for your personal, partnership, or LLC tax return, it must be filed by April 15th. Income taxes must also be paid by this date. Corporations receive an automatic extension, but they do not receive an extension on payment.