Form 941 Due Date (Deadline)
Your Form 941 is due by the last day of the month that follows the end of the quarter.
Quarter One (January, February, March): Form 941 is due on April 30.
Quarter Two (April, May, June): Form 941 is due on July 31.
Quarter Three (July, August, September): Form 941 is due October 31.
Quarter Four (October, November, December) : Form 941 is due on January 31 of the following year..
For example, generally you must report wages you pay during the first quarter "which is January through March" by April 30th. If you made timely deposits in full payment of your taxes for a quarter, you have 10 more days after the due dates shown above to file your Form 941. For the first quarter of 2016, the due date for form 941 is April 30 2016.
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Avoiding Form 941 Penalties And Interest
You can avoid paying penalties and interest if you do all of the following:
Deposit or pay your taxes when they are due, using EFTPS if required.
File your fully completed Form 941 on time.
Report your tax liability accurately.
Submit valid checks for tax payments.
Furnish accurate Forms W-2 to employees.
File Form W3 & Copies A of Form W2 with the SSA on time & accurately.
Form 941 Mailing Address
Where you file depends on whether you include a payment with Form 941. Please check the Where Should You Fil section inside form 941 instructions for more details: