Honjo low was enacted and enforced by honjo (proprietor or guarantor of manor) for the purpose of ruling over their privately owned Shoen (manor in medieval Japan) as part of their Shomuken (the authority of the jurisdiction and the administration of Shoen).
本所法（ほんじょほう）とは、本所が自己が持つ荘園を支配するために荘務権の一環として制定・行使した法のこと。