[1] A mediation committee (Vermittlungsausschuss), consisting in equal numbers of members of Bundestag and representatives of the states, facilitates compromises between Bundestag and Bundesrat in legislation - especially if the consent of Bundesrat is constitutionally required.
A bicameral conference committee is formed for each bill where the Senate and the House of Representatives have conflicting versions.
A Joint Committee of the Irish Oireachtas (parliament) comprises members of both Dáil Éireann (the lower house) and Seanad Éireann (the upper house).
Three permanent committees meet on a regular basis to consider Human Rights, National Security Strategy and Statutory Instruments.
Temporary committees have considered specific topics ranging from draft bills on financial services and climate change to restoration of the Palace of Westminster.