Tax

Individuals: Make a payment of your estimated tax for 2018 if you did not pay your income tax for the year through withholding (or did not pay enough in tax that way). Use IRS Form 1040-ES. This is the final installment date for 2018 estimated...

Employers: For Social Security, Medicare, withheld income tax, and non-payroll withholding, deposit the tax for payments in November if the monthly rule applies. Corporations: Deposit the fourth installment of estimated income tax for 2018....