Important Dates
As technology companies continue to drive innovation in a dynamic industry, keeping abreast of crucial tax and annual reporting deadlines is paramount. Here are some of the deadlines you need to know:
Annual Deadlines
*Indicates that the deadline can be extended. See “Extended Deadlines” below.
January 31:
- Forms 1099 filed with the IRS and sent to recipients*
- Form W-3 filed with the IRS and Forms W-2 sent to employees
- Form 940 – Employer’s Federal Unemployment Tax Return
March 1:
- Delaware Franchise Tax and Annual Report
March 15:
- Partnership & S-Corporation Income Tax Returns*
- Election to be Taxed as an S-Corporation
April 15:
- C-Corporation and Individual Income Tax Returns*
- Maryland Annual Report & Personal Property Taxes*
May 1:
- Personal Property Tax Return Deadline for most Virginia counties (if you have property in Virginia, see your county’s website to verify the deadline)
July 31:
- DC Personal Property Tax Return
- Form 5500/Form 5500-SF for Employee Benefit Plans*
September 1:
- Maryland Personal Property Tax R&D Exemption Application
November 15:
- Maryland R&D Credit Application Deadline
Extended Deadlines
February 28:
- Forms 1099 filed with the IRS and sent to recipients
June 15:
- Maryland Annual Report & Personal Property Taxes
September 15:
- Partnership & S-Corporation Income Tax Returns
October 15:
- C-Corporation and Individual Income Tax Returns
- Form 5500/Form 5500-SF for Employee Benefit Plans
Quarterly Deadlines
- Forms 941 – Employer’s Quarterly Federal Tax Return (to report payroll withholding taxes). Due on the last day of the month following the end of each quarter. For a calendar-year employer, the deadlines are:
- April 30 (First quarter)
- July 31 (Second quarter)
- October 31 (Third quarter)
- January 31 (Fourth quarter)
Other Deadlines
- 83(b) Elections: Must be filed within 30 days of the award issuance
