 Intergroups are subject to internal rules adopted by the Conference of Presidents on 16 December 1999 (last updated on 14 February 2008), which set out the conditions under which intergroups may be established at the beginning of each parliamentary term and their operating rules.Chairs of intergroups are required to declare any support they receive in cash or kind, according to the same criteria applicable to Members as individuals.The declarations must be updated every year and are filed in a public register held by the Quaestors.