Police Power Exercise Act Article 12
To prevent hazards or crimes, the police may select a third party to secretly collect related data on someone who is believe to be engaged in acts that will endanger public safety, public order or individual lives, physical safety, freedom, reputation, or property or likely to violate criminal laws.When considered necessary, the data collection stipulated in the preceding paragraph may be extended to people whom the party concerned has been in contact or has associated with.The so-called third party stipulated in paragraph 1 refers to a person who is not a police officer but has been screened and selected by the police prior to working for the police at their own volition. The selected third party may receive compensation needed to pay for operating expenses but shall not be granted any title and credential or police powers derived from this Act or other laws and regulations. While collecting data secretly, the said third party may not violate any laws and regulations.The Ministry of the Interior shall draft regulations governing the screening and selection, communication and deployment, training and assessment, data evaluation and other matters such third parties must adhere to.
中文原文 警察職權行使法第12條
警察為防止危害或犯罪，認對公共安全、公共秩序或個人生命、身體、自由、名譽或財產，將有危害行為，或有觸犯刑事法律之虞者，得遴選第三人秘密蒐集其相關資料。
前項資料之蒐集，必要時，得及於與蒐集對象接觸及隨行之人。
第一項所稱第三人，係指非警察人員而經警察遴選，志願與警察合作之人。
經遴選為第三人者，除得支給實際需要工作費用外，不給予任何名義及證明文件，亦不具本法或其他法規賦予警察之職權。
其從事秘密蒐集資料，不得有違反法規之行為。
第三人之遴選、聯繫運用、訓練考核、資料評鑑及其他應遵行事項之辦法，由內政部定之。
前項資料之蒐集，必要時，得及於與蒐集對象接觸及隨行之人。
第一項所稱第三人，係指非警察人員而經警察遴選，志願與警察合作之人。
經遴選為第三人者，除得支給實際需要工作費用外，不給予任何名義及證明文件，亦不具本法或其他法規賦予警察之職權。
其從事秘密蒐集資料，不得有違反法規之行為。
第三人之遴選、聯繫運用、訓練考核、資料評鑑及其他應遵行事項之辦法，由內政部定之。