Publication 557
taxmap/pubs/p557-034.htm#en_us_publink1000200399An organization or trust created in the U.S. for the exclusive
function of forming a part of a qualified group legal services plan or plans
cannot be exempt under section 501(c)(20) after June 30, 1992. However, an
organization that has already received a determination or ruling letter from the
IRS recognizing its exemption under section 501(c)(2) may, if it otherwise
qualifies, request a ruling or determination modifying its exemption from
section 501(c)(2) to section 501(c)(9) effective July 1, 1992.