Song Dynasty established a comparatively complete system of announcements and ceremonies of amnesty, and of receipt, registration, compilation and keeping of laws, which made the information of laws unblocked.

• 宋在大赦诏书的颁布、赦仪式,法律的接收登录和编集保管等方面制定了较为完备的制度,使法律信息畅通无阻。