"(1) Where it appears to the Appeal Tribunal that any proceedings brought by the paying party were unnecessary, improper, vexatious or misconceived or that there has been unreasonable delay or other unreasonable conduct in the bringing or conducting of proceedings by the paying party, the Appeal Tribunal may make a costs order against the paying party"
"The Appeal Tribunal may order the paying party to pay the receiving party the whole or a specified part of the costs of the receiving party"