official written ruling in response to a submission
official approval in writing
Definitions (粵典–words.hk)
名詞
得到上級或相關部門批改、審核同回覆,得到正式承認嘅文字、檔案或文件(量詞:份) official written approval
Definitions (Wiktionary)
noun
official written ruling in response to a submission; written instructions (on a report, memorandum submitted by a subordinate body); official approval in writing