August 15

Employers - Nonpayroll withholding. If the monthly deposit rule applies, deposit the tax for payments in July.

Employers - Social Security, Medicare, and withheld income tax. If the monthly deposit rule applies, deposit the tax for payments in July.

September 11

Employees Who Work for Tips - If you received $20 or more in tips during August, report them to your employer. You can use Form 4070.