What Is A 403 B Retirement Savings Plan? 
Religious , charitable , educational , scientific and literacy organizations under IRC Sec . 501 -LRB- c -RRB- -LRB- 3 -RRB- and certain government employers and public school systems may elect to establish 403 -LRB- b -RRB- salary deferral plan . Employer obligations require a written plan , ongoing admin responsibility and fiduciary oversight.In 2013 , the maximum contribute for employer and employee is $ 51,000 and an additional $ 5,500 for those over age 50 under the catch up provision . 