There are 7 sets of procedural rules in the First-tier Tribunal, containing an identical overriding objective and duty of the parties to cooperate with the tribunal.
Mae saith set o reolau gweithdrefnol yn y Tribiwnlys Haen Gyntaf, sy’n cynnwys yr un prif amcan a dyletswydd y partïon i gydweithredu â’r tribiwnlys.