Seicho was mainly divided into two groups; one was called "Chokinu" in which tax was paid by silk, and the other was called "Chofu" in which tax was paid by cloth.
正調は大きく分けて絹で納入する調絹（ちょうきぬ）と布で納入する調布（ちょうふ）に分けることが出来る。