| Sun | Mon | Tue | Wed | Thu | Fri | Sat |
|---|---|---|---|---|---|---|
| New Plan Establishment New Plan Establishment Dec 31 all-day Plan establishment due date if a new plan is desired (Plan must be establish by fiscal year end) | ||||||
| Q4 Contribution Installment Q4 Contribution Installment Jan 15 all-day Fourth quarter contribution installment for prior year, if applicable (DB Plans) | ||||||
| File Form 945 File Form 945 Jan 31 all-day Form 945 must be filed (1/31 if taxes are due or 2/10 if taxes timely paid) (All Plans) Form 1099-R to Participants Form 1099-R to Participants Jan 31 all-day Form 1099-R must be sent to participants who received distributions during the prior calendar year (All Plans) Form 1099-R to Participants Form 1099-R to Participants Jan 31 all-day Form 1099-R must be filed (1/31 if taxes are due or 2/10 if taxes timely paid) (All Plans) |