Soji meant for Daijokan (the Grand Council of State) to submit its report to the Emperor on the affairs which had been decided by any official or any province and reported to Daijokan in the form of Ge (a style of official documents made by any government official or province and addressed to Daijokan).
奏事（そうじ）とは、各官司や諸国で決定されて解(公文書)として太政官に挙げられた事項を奏上することである。