B0290400 (bī-zō′nəl)adj. Of or relating to the affairs of a zone under the joint administration of two powers.
bizonal
(ˌbaɪˈzəʊnəl) adjof or relating to two administrative zonesThesaurus
Adj.
1.
bizonal - relating to or concerned with the combined affairs of two administrative zones; "Bizonal currency was used in occupied Germany after World War II"