April 10—You should collect Form 4070, “Employee’s Report of Tips to Employer,” from any employee who received $20 or more in tips.
• If you pay personal estimated tax payments, your first installment is due for the current tax year.
• Personal income tax returns are due unless you filed a request for an extension. To request an extension, you should file Form 4868, “Application for Automatic Extension of Time to File U.S. Individual Income Tax Return.” To avoid paying a penalty and interest, you must also pay any tax due by this date.
• If you want to make qualified IRA contributions for the previous tax year, you must make these contributions by this date.
• If you pay your Social Security, Medicare, and income taxes withheld ...