In RDA the instructions for subordinate bodies (184.108.40.206) are the same as in AACR2.
Type 3 – Name that is general in nature
•Annual Meeting; Macadamia Nut Association
•110 2# $a Macadamia Nut Association. $b Annual Meeting
Type 6 – Name that includes the entire name of the higher body
•Annual Meeting of the International Whaling Commission
•110 2# $a International Whaling Commission. $b Annual Meeting
[Source: Library of Congress RDA Training materials]