As the Edo bakufu and each domain relied on the yield of rice for their source of funds, Bunchi Seigen-rei (the law to control the division of lands) was issued in 1673 for the purpose of maintaining the honbyakusho class.
江戸幕府や各藩の財源は米に依存する為、本百姓を維持する為に1673年分地制限令を発布した。