July 31
- Non-farm employers file Form 941 for the second quarter to report Social Security, Medicare, and withholding
- Form 5500 is due for all employers that maintain an employee benefit plan such as a pension plan
- If not able to file, file form 5588 to request an automatic 2.5-month extension
September 15
- Third quarter estimate is due for 2025 for individuals that pay estimated taxes
- S Corporations file a 2024 calendar year income tax return (Form 1120S) if you requested an automatic extension
- Partnerships file a 2024 calendar year income tax return (Form 1065) if you requested an automatic extension
- Corporations deposit third installment of estimated tax for 2025
October 15
- Individuals file a 2024 income tax return (Form 1040) if an automatic extension was requested
- Corporations file a 2024 calendar year tax return (Form 1120) if you requested an automatic extension
October 31
- Non-farm employers file Form 941 for the third quarter to report Social Security, Medicare, and withholding
To view the summer 2025 issue of Partners magazine in its entirety, click here.
