Another modern-sounding institution, that of the "equalization offices", was supposed to buy cheap goods in times of plenty in order to sell them to the people in times of scarcity at similarly low prices, so preventing want and also preventing excessive price fluctuations.

We know from much later census fragments that the government tried to enforce this equalization law, but did not always succeed; we read statements such as "X has so and so much land; he has a claim on so and so much land and, therefore, has to get so

The Toba seem to have tried to prevent this development by introducing the famous "land equalization system" (chün-t'ien), one of their most important innovations.