What Is A 404C Retirement Plan? 
404C is not a plan , but the regulatory section of the IRS code that governs compliance over ERISA Retirement Plans like 401 -LRB- K -RRB- s. Fiduciary responsibility to comply with the prudent man rule falls on the plan administrator or employer . 404 -LRB- c -RRB- compliance is a critical component used by fiduciaries responsible for the compliant operations of a qualified plan . 