Contents Important Changes   ............................................ 1 Important Reminders  ......................................... 2 2000 Calendar  ..................................................... 3 Introduction  ........................................................ 3 1. Taxpayer Identification Numbers  ............... 4 2. Who Are Employees?  .................................. 5 3. Taxable Wages  ............................................. 5 4. Social Security and Medicare Taxes   ......... 6 5. Income Tax Withholding   ............................. 6 6. Advance Earned Income Credit (EIC) Payment  ....................................................... 8 7. Deposit Requirements  ................................. 9 8. Form 943  ....................................................... 13 9. Adjustments on Form 943   .......................... 14 10. Federal Unemployment (FUTA) Tax  ........... 15 11. Records You Should Keep   ......................... 16 12. Reconciling Wage Reporting Forms  .......... 16 13. Income Tax Withholding Methods   ............. 17 14. Advance Earned Income Credit (EIC) Payment Methods   ....................................... 18 15. How Do Employment Taxes Apply to Farmwork?  ................................................... 19 Income Tax Withholding Percentage Tables    . 20 Income Tax Withholding Wage Bracket Tables  ........................................................... 22 Advance EIC Tables  ........................................... 42 Index  .................................................................... 46 Form 7018-A (Order Blank)  ............................... 47 Tax Help and Forms   .......................................... 48 Important Changes New   electronic   deposit   requirement. Beginning January   1,   2000,   the   following   changes   have   been made to the electronic deposit requirement: The threshold that determines whether you must use the Electronic Federal Tax Payment System (EFTPS) has been increased from $50,000 to $200,000. All Federal tax deposits (such as deposits for em- ployment tax, excise tax, and corporate income tax) made during a calendar year are combined to de- Department of the Treasury Internal Revenue Service Publication 51 (Rev. January 2000) Cat. No. 10320R Circular A, Agricultural Employer's Tax Guide (Including 2000 Wage Withholding and Advance Earned Income Credit Payment Tables) Get forms and other information faster and easier by:    COMPUTER World Wide Web ä www.irs.ustreas.gov FTP ä ftp.irs.ustreas.gov IRIS at FedWorld ä (703) 321-8020    FAX From your FAX machine, dial ä (703) 368-9694