








1821 Wilshire Blvd., Ste. #530, Santa Monica, California 90403 310-829-2050
ACT Bookkeeping, Santa Monica, CA | The professional alternative for business & individuals since 1986


One way to save taxes is to avoid penalties and interest charges for failing to file a return or for filing it late. The following are most of the due dates for individual and business tax returns.
| Date Due |
Form |
Tax Form |
| Jan 31 | W-2 | Send copies to employees |
| Jan 31 | 945 | Report withholding from non payroll items |
| Feb. 15 | W-4 | Employee change of withholding |
| Feb. 28 | 1096 & 1099 | Send statements and summary to IRS |
| Feb. 28 | W-3 | Send W-2 copies to IRS with W-3 |
| Mar 15 | 1120 or 7004 | Corporate income tax or extension. |
| Mar 15 | K-1 | Send S-Corp K-1 forms to owners unless an extension is requested |
| Mar 15 |
8832 | Entity classification election deadline for entity formed in prior year. |
| Mar 15 |
2553 |
Election by corporation shareholders to be taxed as an S corporation for a corporation formed in the prior year. |
| April 15 | 1040 or 4868 | Individual tax return or extension |
| April 15 | 1040 ES | First payment of estimated tax |
| April 15 | IRA | Last day to make IRA contribution for prior calendar year. |
| April 15 |
SEP/Keogh |
Make SEP/Keogh contribution if extension not filed and if plan contribution not paid already. |
| April 15 | 709 or 4868 | Gift tax return or extension |
| April 15 |
1065 or 8736 |
Partnership and Limited Liability Company return and K-1 forms or extension request |
| April 15 | 1120-W | First corporation estimated tax |
| April 30 | 941 | First quarter payroll tax return |
| June 15 |
1040 or 4868 |
Due date for U.S. persons living outside the U.S. to file their income tax return |
| June 15 | 1040 ES | 2nd Estimated tax payment |
| June 15 | 8109 | 2nd corporation estimated tax |
| June 15 |
TD F 90-22.1 | File report of authority over foreign financial accounts for prior year |
| July 15 |
1065 & K-1 or 8800 | Extended due date for partnerships and LLCs or file form 8800 for an additional 3 month extension |
| July 31 | 941 | 2nd quarter payroll tax returns |
| July 31 |
5500 | Return for pension, profits sharing or stock bonus plan for prior year |
| Aug. 15 |
1040 or 2688 |
Extended due date for personal income tax return or extension |
| Sept 15 |
1120 & 1120-S |
Final due date of corporation income tax return if extension was requested with form 7004 |
| Sept 15 | 1040 ES | 3rd quarterly estimated tax payment |
| Sept 15 | 8109 | 3rd quarterly corporation payment |
| Oct 15 |
1040 |
Final due date for personal income tax return and final date to make a SEP or Keogh plan contribution if form 2688 was approved |
| Oct 15 |
1065 | Final due date for partnership or LLC return if an extension was requested on form 8800 |
| Oct 31 | 941 | 3rd quarter payroll tax return |
| Dec 15 | 8109 | 4th payment of corporation estimated tax. |
| Dec 15 |
SEP/Keogh |
Establish plan in current year to permit deduction of payment before filing of personal tax return |
| Dec 20 |
Gifts |
Make gifts to qualify for annual gift tax exclusion and ask donee to deposit check to clear in current year |
| Dec 31 |
Withholding |
Increase withholding at end of year to reduce penalties for an underpayment of estimated taxes |
| Dec. 31 |
State Est. Tax |
Make last (4th) payment of state estimated taxes in order to get a deduction for the current year. |