• It can be part of either a simplified employee pension (SEP) or an employer or employee association trust account. taxmap/pub17/p17-091.htm#en_us_publink1000172599How Much Can Be Contributed?(p121)There are limits and other rules that affect the amount that can be contributed to a traditional IRA. These limits and other rules are explained below. taxmap/pub17/p17-091.htm#en_us_publink1000172600Com