Q4 Compliance Reminders for Your Company’s 401(k) Plan

As we approach the end of 2024, there are plenty of important deadlines to be mindful of. Staying on top of these deadlines contributes to the ongoing compliance of your plan and provides a seamless experience for your employees.  

New SECURE Act 2.0 | Long-term part-time employees 

Starting in the 2025 plan year, the SECURE Act 2.0 lets part-time employees who’ve worked at least 500 hours for two consecutive years join the company’s 401(k) plan. Here’s a quick guide for employers: 

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  • January 1, 2025: Part-time employees who work 500 hours/year for 2 consecutive years are eligible to participate in the company’s 401(k) plan.  
  • Check your records: Look at your employee data to see who’ll be eligible. 
  • Talk to them: Once you know who’s eligible, tell them about their new 401(k) options. 

Doing this early helps get your part-time employees smoothly onboard with their new benefits. 

Q4 Compliance Highlights*  

October 15 

  • If on extension, filing deadline for the Form 5500 
  • If on extension, filing deadline for individual and/or corporate tax returns and final contribution deadline for deductibility 
  • Adopting a retroactive amendment to correct minimum coverage or nondiscrimination requirements (IRC Sections 410(b) & 401(a)(4)) 

December 1 

    • Sending annual 401(k) and safe harbor match notice* 
    • Sending annual Qualified Default Investment Alternative (QDIA) notice* 
    • Sending annual automatic contribution arrangement notice (ACA)* 

    It’s important to send these notices at least 30 days (and not more than 90 days) before the beginning of each plan year. 

    December 15 

    • If on extension, deadline for distributing SAR to participants* 

    December 31 

    • Processing corrective distributions for failed ADP/ACP test to avoid the 10% excise tax 
    • Correcting a failed ADP/ACP test with qualified nonelective contributions (QNECs) 
    • Converting existing 401(k) plan to safe harbor non-elective design for current plan year 
    • Amendment to remove or convert to safe harbor status for next plan year 
    • Amending plan for discretionary changes implemented during plan year (certain exceptions apply) 
    • RMDs due under IRC Section 401(a)(9) to avoid penalties  

    Compliance deadlines can be a lot while balancing your typical plan sponsor duties. At PK Retirement, we are here to support you every step of the way. Download the 2024 Compliance Calendar below and CONTACT US to discuss this topic further.

    * The deadlines in this calendar are for plans with calendar-year plan years. If the filing deadline falls on a Saturday, Sunday, or legal holiday, the DOL provides that filing dates are delayed until the next business day. This calendar is intended to provide plan sponsors with a list of notable deadlines and is not a substitute for consultation with ERISA counsel, and in no way represents legal advice. 

    Investment Advisory Services offered through Cambridge Investment Research Advisors Inc., a Registered Investment Advisor. We cannot accept trade orders through email or voicemail. PK Retirement, LLC and Cambridge are not affiliated, and Cambridge does not offer tax advice. 

    This information was developed as a general guide to educate plan sponsors and is not intended as authoritative guidance or tax/legal advice. Each plan has unique requirements, and you should consult your attorney or tax advisor for guidance on your specific situation. 

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