The Ministry of Revenue was in charge of the entire country's household registration and farmland. The Ministry of Revenue was also clear on how much taxes each place should pay every year.
The tax system was simplified to facilitate the collection of taxes, making it difficult for local officials to cheat and embezzle, and increasing their revenues.
To a certain extent, it had greatly curbed the corruption of local officials.
It was the same for conscription. When the government office needed soldiers, a number of people from the family would be sent according to the rules. If they did not want to send anyone, they could also pay for it.
They restrained local tyrants and landowners to avoid the development of private land, making land transactions more and more capitalized. They prevented landowners from colluding with the government to forcefully occupy the land of the commoners and avoid the corresponding taxes.