Register for an IRS web conference on estimated taxes next Tuesday, Sept. 11, at 11 a.m. EST. The 60-minute web conference is part of the Paycheck Checkup campaign and will discuss:

• Ways to pay taxes: Withholding and estimated taxes
• "Paycheck Checkup": IRS’ online Withholding Calculator
• Who must make estimated tax payments and payment due dates
• Electronic Federal Tax Payment System (EFTPS) and Direct Pay
• Ways to avoid the estimated tax penalty
• Resources to help meet federal tax payment requirements