Code of Civil Procedure Article 301

Where an incarcerated person is summoned as a witness, the presiding judge shall at the same time notify the officer of the prison or place of detention concerned to escort such person or to assign staff to escort such person to appear.The second paragraph of the preceding article shall apply mutatis mutandis to the case provided in the preceding paragraph.
中文原文 民事訴訟法第301條
通知在監所或其他拘禁處所之人為證人者,審判長應併通知該管長官提送到場或派員提解到場。
前條第二項之規定,於前項情形準用之。

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