Internal Revenue Service
Irs: Methods of Filing Lesson Plan
This lesson plan will help students understand the methods of filing tax returns and the advantages of preparing and transmitting tax returns electronically.
Wolters Kluwer
Biz Filings: Due Dates for Returns and Payments Depend Upon Business Form
Explains what various types of businesses, including sole proprietorships, partnerships, or limited liability companies (LLC), C corporations or S corporations must do when filing their taxes.