Md. Rule 15-311
Rule 15-311. Memorandum by Judge
The judge to whom the petition is made or referred shall prepare and file or dictate into the record a memorandum setting forth the grounds of the petition, the questions involved, and the reasons for the action taken. A copy of the memorandum or a transcription of the dictation shall be sent to the petitioner and the person having custody of the individual confined or restrained.