HR Compliance Deadlines 2026: Filing Dates & Forms
Every 2026 HR compliance filing date — EEO-1, ACA 1095-C, W-2, Form 5500, and more — with due dates, who must file, penalties, and the official source.
June 2026
All Compliance Events
FMLA Poster Requirement (Ongoing)
Friday, January 1, 2027
Covered employers must display the FMLA poster in a conspicuous location. Updated posters should be checked annually.
W-2 Distribution Deadline
Sunday, January 31, 2027
Employers must furnish Form W-2 wage statements to all employees for the prior tax year.
ACA Form 1095-C Distribution to Employees
Tuesday, March 2, 2027
Applicable Large Employers (ALEs) must furnish Form 1095-C to full-time employees, showing health coverage offered.
ACA Forms 1094-C / 1095-C IRS Filing
Wednesday, March 31, 2027
ALEs must file Forms 1094-C and 1095-C with the IRS (electronic filing deadline).
Tax Day
Thursday, April 15, 2027
The federal individual income-tax filing deadline — a useful reminder for employees and payroll teams.
EEO-1 Report Filing Deadline
Saturday, May 29, 2027
Employers with 100+ employees (or federal contractors with 50+ employees) must file the annual EEO-1 Component 1 report with workforce demographic data.
Form 5500 Filing Deadline
Friday, July 31, 2026
Employee benefit plan annual return/report due for calendar-year plans. File electronically through EFAST2.
Benefits Open Enrollment Prep
Tuesday, September 1, 2026
Typical start of open enrollment preparation. Review plan changes, update materials, and schedule employee communications.
Medicare Part D Creditable Coverage Notice
Thursday, October 15, 2026
Employers offering prescription drug coverage must provide the annual Medicare Part D notice to eligible individuals before October 15.
Election Day
Tuesday, November 3, 2026
A prompt to share your voting-leave policy and remind staff of their rights.