Two tax laws
The two tax laws are the tax laws created by the descendants of Tang Dezong. By the collection of grain, cloth and other kind of rent-based law, to levy money-based, twice a year tax, is the two tax law. Because the average weekend of the late Zhou Dynasty system, the beginning of the rent of the rent law has long been no longer applicable, Tang Dezong built the first year (780 years) began to implement two tax law. ...