The Tenpo Hatto (The laws for changing the territory) had the words about nonpayment of tribute and the loss or damage of a borrowed thing, so land sales contracts came to contain the words to reject debt cancellation orders at an early stage.
また、転封法度に未進や借り物の棄破等の文言があった為、土地の売買証文の中には徳政拒否文言が早い段階で記されるようになる。