When is it due?
When Due
Action/Item Cal* Fiscal Year Plan Recipient Notes
401(k) Plans        
Failed ADP/ACP: corrective distributions to avoid 10% excise tax 3/15 2-1/2 months after end of plan year Applicable participants  
Corrective distributions of 402(g) - excess deferrals 4/15 4/15 Applicable participants   
Safe Harbor Notice 12/1 30 to 90 days before start of plan year Eligible employees  
Failed ADP/ACP: corrective distributions with 10% excise tax or QNEC distribution 12/31 Last day of plan year following the year of failure Applicable participants or trustee  
Deposit of participant deferrals   Earliest date employer can reasonably segregate contributions from general assets but no later than 15th business day of month following contributions Trust/ Custodian  
Individual Retirement Account Plans (i.e., daily 401(k))    
Blackout Period Notification   30 to 60 days prior to beginning of blackout period Participants  
404(c) Disclosures   Before investments are to be made and upon request Participants Should include available investment options, information on how to change investments and educational materials
Defined Benefit Plans        
PBGC Form 1-ES: Estimated Premium Payment Form 2/28 End of 2nd month of plan year PBGC For plans with more than 500 participants on prior year PBGC Form 1
Deadline for making final required minimum contributions 9/15 9-1/2 months after plan year end Trust/ Custodian  
PBGC Form 1 or Form 1-EZ: Annual Premium Payment Form 9/15 9-1/2 months after plan year end PBGC  
PBGC Schedule A 9/15 9-1/2 months after plan year end PBGC  
Participant Notice of Underfunding 9/30 2 months after Form 5500 filing deadline Participants For plans less than 90% funded
PBGC Form 200   Within 10 days after due date of required but unpaid quarterly payment PBGC For plans that do not receive required quarterly contribution - when unpaid balance reaches $1 million
Notice of Failure to Meet Minimum Funding Standard   Following the 60-day grace period after payment due date Participants For plans less than 90% funded
Retirement Plans Subject to ERISA    
Form 1099-R: Report to recipients of distributions throughout calendar year 1/31 1/31 Participants receiving distributions from plan Also sent to IRS with Form 1096 due 2/28
Form 945: Annual Return of Withheld Federal Income Tax 1/31 1/31 IRS 2/10 if taxes paid timely
Form 1096 and Form(s) 1099-R: Report of distributions 2/28 2/28 IRS  
Summary Annual Report 9/30 2 months after Form 5500 filing deadline Participants If Form 5500 extended, then December 15th for calendar plan year.
Explanation of Rollover and Special Tax Notice   30 to 90 days prior to the start of initial payment Recipients of distributions that can be rolled over to an eligible retirement plan  
Notification of Age 70-1/2 Distribution Requirements   April 1: required minimum distributions to start. Allow sufficient time for the distribution process. Affected participants Non-retired participants who reached age 70-1/2 in prior year
Benefit Plans Subject to ERISA    
Form 5500 or Form 5500-EZ: Annual Return/Report of Employee Benefit Plan 7/31 7 months after end of plan year IRS Extension can be filed if additional time is needed.
Form 5558: Request for Automatic Extension of 5500 7/31 7 months after end of plan year IRS Extends filing for 2-1/2 months.
Summary Plan Description (SPD)   New plans: 120 days after effective date of plan. Amended plans: once every 5 years. All other plans: once every 10 years. New participants: within 90 days of becoming a participant. Participants  
Summary of Material Modificiations (SMM)   Within 210 days after end of plan year for which modification is adopted. Participants  
Group Health Plans**    
Notice of Privacy Practices for Protected Health Information (HIPAA)   At enrollment and within 60 days of revision to the notice. Participants Participants must be notified every 3 years that a Notice of Privacy Practices is available and how to obtain it.
HIPPAA  Certificate of Creditable Coverage   Upon loss of coverage and no later than COBRA qualifying event notice Former participants and covered dependents  
Notice of Special Enrollment Rights   On or before open enrollment Eligible Employees  
Initial COBRA notice   When coverage commences Former participants and covered dependents  
COBRA Election Notice   Within 14 days after being notified of qualifying event Covered employees, covered spouses, and dependent children  
Group Health Plans that provide retireee coverage    
Application for Plan Sponsor Subsidy & Attestation of Actuarial Equivalence   Submitted annually, at least 90 days prior to start of plan year Centers for Medicare & Medicaid Services (CMS) Plan sponsor subsidy available to retiree group health plan that has retiree drug coverage that is actuarially equivalent to Medicare Part D coverage. Subsidy is available for each retiree, spouse of retiree, or dependent of retiree who is eligible for Medicare Part D but not enrolled.
         
* Due date for calendar year plans    
** A Section 125/Cafeteria plan is classified as a group health plan.