In March 1601, Masanori entered into his new domain in Aki and Bingo Provinces, and immediately went around to check the area and recalculated the kokudaka (crop yield) by conducting land surveys.
慶長6年（1601年）3月に芸備に入封した正則は早くも領内を巡検するとともに、検地で石高の再算出を行った。