<sod>  *[[Southern African Customs Union]]
 *[[1925]] French Customs Union over occupied [[Saarland]]
 *The former [[Zollverein]]
*[[United States of America]]
 
 ==References==
 
 <eod> <sod> *[[Southern African Customs Union]]
 *[[1925]] French Customs Union over occupied [[Saarland]]
 *The former [[Zollverein]]

 
 ==References==
 
 <eod>