401K Plan September 11, 2017 by Edward J. Shaughnessy 401K Plan Solo 401K Plan Issue You may find information about Solo 401K Plan in this Tax Platform of the American Encyclopedia of Law. Related Entries in the American Tax Encyclopedia: Employer Retirement Plan Accountable Reimbursement Plan Qualified employee plan Qualified Retirement Plan Simplified Employee Pension Plan Qualified Plan Award Deductible Health Plan Noncontributory Qualified Pension Or Profit-sharing Plan Payroll Savings Plan Profit sharing Plan Determination Date Excess Benefits Target Benefit Plan Salary Reduction Plan 401 (k) Plan Keogh Plan Prototype Plan Section 501(c)(18) Plan Top-heavy Plan Non-accountable Plan Section 401(k) Plan Retirement Plan Section 457 Plan Qualified Plan Master Plan