Police Personnel Management Act Article 38

To meet future development requirements, police institutions may select active police officers for advanced study at domestic or foreign universities or colleges. The relevant regulations shall be formulated by the Ministry of the Interior in collaboration with the Ministry of Education.
中文原文 警察人員人事條例第38條
警察機關為適應業務發展需要,得保送現職警察人員,至國內外大學或專科學校進修。
其辦法由內政部會同教育部定之。

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