Military trial Article 137

The moment military police official realizes the suspect is not under his area before or after the investigation, except for urgent needs to discipline immediately, he should send him in to military investigators along with the documents and certificates. The suspects and defendants arrested or under custody will also be transferred under escort.
中文原文 軍事審判法第137條
軍法警察官知有犯罪嫌疑,而不屬其管轄,或於開始偵查後,認為該案件不屬其管轄者,除有急迫情形應為必要之處分外,應檢同卷證,移送該管軍事檢察官,如有依法逮捕或拘提之犯罪嫌疑人或被告,一併解送。

English translation for reference only; the Chinese text prevails. Not legal advice.