Taxes

Individual

• Form 1040 (US Individual Income Tax Return)
• Form 1040-ES (Estimated Tax for Individuals)
• Form 1040-NR (U.S. Nonresident Alien Income Tax Return)
• Schedule C (Form 1040), Profit or Loss from Business (Sole Proprietorship)
• Schedule A (Form 1040), Itemized Deductions 
• Schedule D (Form 1040), Capital Gains and Losses 
• Schedule E (Form 1040), Supplemental Income and Loss
• Form 4868 (Application for Automatic Extension of Time to File U.S. Individual Income Tax Return)

Business

• Form SS-4, Application for Employer Identification Number (EIN)
• Form 1040-ES, Estimated Tax for Individuals
• Form 1120-W, Estimated Tax for Corporations
• Forms, Sole Proprietorships
• Forms, Partnerships
• Forms, Corporations
• Forms, S Corporations
• Forms, Limited Liability Company (LLC)
• Forms, Employment Tax
• Forms, Information Returns (W-2, 1099-A, 1099-MISC, 1099-R, etc.)

Other important forms

• Form W-7 Application for IRS Individual Taxpayer Identification Number (ITIN).
• Form 4506-T Request for Transcript of Tax Return
• Form 9465 Installment Agreement Request