Taejong's next act as king had been to revise the existing legislation concerning the taxation of land ownership and the recording of state of subjects.

Although many aristocrats who had benefited from King Taejo's laws redistributing property from the Gwonmun aristocrats to the members of the Sinjin faction have managed to avoid taxation by deliberately hiding land they acquired, King Taejong's re-investigation of land ownership in 1405 puts an end to such practices.

With the discovery of previously hidden land, national income doubles.