Such issuance was supposed to be based on a sufficient amount of standard coins retained by the domain, but actually, in most cases, domains tried to collect as many circulating coins as possible in exchange for issued han bills for the purpose of improving their financial situation.
それには十分な正貨準備が不可欠であったが、実際には、藩札発行で得られる実通貨の納庫を目論み、これによって藩の財政難の解消を試みる場合がしばしばあった。