| Form W-4 | Provide this from to your employer so they can withhold the correct federal income tax from your pay. | Employees starting a new job or updating withholdings. |
| W-9 | Use this form to request the taxpayer identification number of a US Person, company or association | Independent contractors, freelancers, retirees receiving non-wage income. |
| Publication 15 | Everything you need to know about payroll tax withholding and remittance. | Employers (not employees). |
| Form 1040-ES | Use to figure and pay your estimated tax payments | Self-employed, retirees, investors with taxable income. |
| 1099-Misc | Use to report contract labor and other payments. | Businesses issuing payments; recipients use it when filing taxes. |
| Form 4868 | File by April 15 to request an extension of time to file your Individual Income Tax Return. | Any individual taxpayer who needs more time to file. |
| Form 7004 | Use to request and extension of your Corporate, Partnership, Trust or other entities tax return. | Businesses (corporations, partnerships, LLCs). |
