November
Employers. During November, ask employees whose withholding allowances will be different in 2017 to fill out a new Form W4 or Form W4(SP).

November 2
Employers. Semi-weekly depositors must deposit employment taxes for Oct 26–Oct 28.

November 4
Employers. Semi-weekly depositors must deposit employment taxes for Oct 29–Nov 1.

November 9
Employers. Semi-weekly depositors must deposit employment taxes for Nov 2–Nov 4.

November 10
Employees who work for tips. Employees who received $20 or more in tips during October must report them to their employer using Form 4070.
Employers. File Form 941 for third quarter of 2016 only if the tax was previously deposited timely, properly and in full.

November 14
Employers. Semi-weekly depositors must deposit employment taxes for Nov 5–Nov 8.

November 15
Employers. For those to whom the monthly deposit rule applies, deposit employment taxes and nonpayroll withholding for payments in October.

November 16
Employers. Semi-weekly depositors must deposit employment taxes for Nov 9–Nov 11.

November 18
Employers. Semi-weekly depositors must deposit employment taxes for Nov 12–Nov 15.

November 23
Employers. Semi-weekly depositors must deposit employment taxes for Nov 16–Nov 18.

November 28
Employers. Semi-weekly depositors must deposit employment taxes for Nov 19–Nov 22.

November 30
Employers. Semi-weekly depositors must deposit employment taxes for Nov 23–Nov 25.

December 2
Employers. Semi-weekly depositors must deposit employment taxes for Nov 26–Nov 29.

December 7
Employers. Semi-weekly depositors must deposit employment taxes for Nov 30–Dec 2.