It was generally in charge of conducting major state sacrificial ceremonies according to ritual regulations.
In Vietnam, it was created by Lê Thánh Tông in 1466, and continued until the Nguyễn dynasty.
The Office of the National Altars was a government agency under the Court of Imperial Sacrifices during the Sui, Tang, Song, Jurchen Jin, and Yuan dynasties.
Its main function was to prepare for and participate in regular rituals at major sacrificial altars and temples in the dynastic capital.
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