Administrative Litigation Act Article 39

Wherever a claim must be adjudicated jointly with regard to all co-parties, the following subparagraphs shall apply:1. Any act conducted by one of the co-parties in the interest of all co-parties will be effective with regard to all of them; any act conducted by one of the co-parties against the interests of all co-parties will have no effect with regard to all of them.2. Any act conducted by the opposing party against one of the co-parties will be effective with regard to all of them;3. Any party of the co-parties, who has reason for a stay of proceeding, either by operation of law or by a court ruling, that arises with regard to one of the co-parties, will take effect with regard to all of them.