Important Changes for 2000 The following items highlight a number of administrative and taxlaw changes for 2000. More information on these and other changes canbe found in Publication 553, Highlights of 1999 Tax Changes. Electronic deposits of taxes.The threshold that determines whether you must deposit taxeselectronically has been increased to $200,000. You must use theElectronic Federal Tax Payment System (EFTPS) to make electronicdeposits of all depository tax liabilities that occur after 1999 ifyou deposited more than $200,000 in federal depository taxes in 1998.If you do not meet the $200,000 threshold, electronic deposits arevoluntary, even if you were required to deposit electronically under aprevious threshold. The waiver of the penalty for failure to deposit taxeselectronically that was scheduled to expire on July 1, 1999, has beenextended to deposit obligations incurred before January 1, 2000,except for taxpayers who deposited more than $200,000 in taxes in1998. See chapter 16. Section 179 deduction.For 2000, the total cost you can elect to deduct under section 179of the Internal Revenue Code is increased to $20,000. See chapter 8. Tax rates and maximum net earnings for self-employment tax.The maximum net self-employment earnings subject to the socialsecurity part of the self-employment tax for 2000 will be published inPublications 533and 553. There is no maximum limit on earningssubject to the Medicare part. Wage limits for social security and Medicare taxes.The maximum wages subject to the social security tax for 2000 willbe published in Publication 51,Circular A, AgriculturalEmployer's Tax Guide. There is no wage base limit for wagessubject to the Medicare tax.