noun
detailed report; full report
A formal written report submitted to a superior or authority, often used in bureaucratic, military, or organizational contexts. Conveys a thorough, itemized account.
調査結果を具申書にまとめて上司に提出した。
I compiled the investigation results into a detailed report and submitted it to my boss.
Compound of 具申 (detailed statement/report) and 書 (document). The exact historical derivation is uncertain, but the term is used in formal Japanese contexts.