BIMONETARIO Said of a system or accounting : It is carried in two different current currencies. Generally refers to keeping a accounting in dollars or Euros, for the parent company, and a parallel accounting in local currency to comply with the regulations of the country in which the commercial operations are carried out. 2 . Said of a monetary regime : It officially has two national exchange currencies : Panama has a bi-millenniary system based on the dollar and balboa, both official currencies.