However, following the imperial decree issued on August 30, 863 (source; "Ruiju fusensho" (A collection of official documents dating from the years 737 to 1093), vol. 6), Daijokan (the Great Council of State) was allowed to approve all applications made by each country to the central government, except application for exemption from Kanmotsu (tribute goods paid as taxes or tithes).
ただし、貞観(日本)4年7月27日付宣旨（『類聚符宣抄』巻六）によって、官物免除を除く諸国から中央への申請は全て太政官で決定した。