Some domains issued exchangeable bills (Inmotsusatsu) which their retainers were forced to use in purchasing presents for their colleague retainers, whose face value was very small compared with the price of presents the retainers had customarily bought, for the purpose of making the retainers save money.
家臣の倹約を目的として、藩士間の贈答用に用いることを義務付けられた、本来の贈答品の購入費用からすれば比較的低額の兌換紙幣（音物札）を発行した藩もあった。