What Is An Example Of A Defined Contribution Retirement Plan? 
An example of a defined contribution plan is a 401 -LRB- k -RRB- , employer sponsored retirement plan under ERISA , Employee Retirement Income Security Act of 1974 . The pretax contributions accumulate tax deferred and some employers match a portion of the employee 's contribution , further enhancing the overall benefit . In addition , plan participants over age 50 can contribute additional monies beyond the annual set contribution limitations . 