Administrative Procedure Act Article 19
Administrative authorities shall provide each other with assistance within the scope of their respective powers to bring about unity in administrative functions.In any of the following circumstances, an administrative authority may request the assistance of another authority with no relationship of administrative subordination thereto in the performance of its functions:1. Where the authority is unable to perform its functions independently due to reasons in law;2. Where the authority is unable to perform its functions independently due to factual reasons such as inadequacy of staff or equipment; 3. Where the authority is unable to carry on independent inquisition into the facts which must be ascertained for the performance of its functions;4. Where the documents or other materials required for the performance of its functions are being held by the authority whose assistance is requested;5. Where it would be desirable in terms of cost that the functions be performed by the authority whose assistance is requested; or6. Where there are other proper reasons making it necessary to request assistance in the performance of its functions.A request under the preceding paragraph shall be made in writing, except in a state of emergency.In any of the following circumstances, the requested authority shall refuse to provide assistance:1. Where the assistance requested is beyond the scope of its powers or is not legally permitted; or2. Where the provision of assistance will result in serious interference with the performance of its own functions.The authority requested may refuse to provide assistance if it believes that there is a good reason that it cannot give assistance.Where the authority requested believes that it has no obligation to provide administrative assistance or there is a reason for it to refuse, it shall notify the authority requesting assistance of the reason for its refusal. In the case of opposition by the authority requesting assistance to the refusal, a decision shall be made by the common superior authority. In the absence of such a common superior authority, a decision shall be made by the superior authority of the requested authority.The requested authority may demand that the authority requesting assistance pay all cost and expenses necessary for the administrative assistance. The amount and payment of such cost and expenses shall be determined by agreement between the authority requesting assistance and the requested authority, or by the common superior authority if no such agreement can be reached.
中文原文 行政程序法第19條
行政機關為發揮共同一體之行政機能，應於其權限範圍內互相協助。
行政機關執行職務時，有下列情形之一者，得向無隸屬關係之其他機關請求協助︰一、因法律上之原因，不能獨自執行職務者。
二、因人員、設備不足等事實上之原因，不能獨自執行職務者。
三、執行職務所必要認定之事實，不能獨自調查者。
四、執行職務所必要之文書或其他資料，為被請求機關所持有者。
五、由被請求機關協助執行，顯較經濟者。
六、其他職務上有正當理由須請求協助者。
前項請求，除緊急情形外，應以書面為之。
被請求機關於有下列情形之一者，應拒絕之︰一、協助之行為，非其權限範圍或依法不得為之者。
二、如提供協助，將嚴重妨害其自身職務之執行者。
被請求機關認有正當理由不能協助者，得拒絕之。
被請求機關認為無提供行政協助之義務或有拒絕之事由時，應將其理由通知請求協助機關。
請求協助機關對此有異議時，由其共同上級機關決定之，無共同上級機關時，由被請求機關之上級機關決定之。
被請求機關得向請求協助機關要求負擔行政協助所需費用。
其負擔金額及支付方式，由請求協助機關及被請求機關以協議定之；協議不成時，由其共同上級機關定之。
行政機關執行職務時，有下列情形之一者，得向無隸屬關係之其他機關請求協助︰一、因法律上之原因，不能獨自執行職務者。
二、因人員、設備不足等事實上之原因，不能獨自執行職務者。
三、執行職務所必要認定之事實，不能獨自調查者。
四、執行職務所必要之文書或其他資料，為被請求機關所持有者。
五、由被請求機關協助執行，顯較經濟者。
六、其他職務上有正當理由須請求協助者。
前項請求，除緊急情形外，應以書面為之。
被請求機關於有下列情形之一者，應拒絕之︰一、協助之行為，非其權限範圍或依法不得為之者。
二、如提供協助，將嚴重妨害其自身職務之執行者。
被請求機關認有正當理由不能協助者，得拒絕之。
被請求機關認為無提供行政協助之義務或有拒絕之事由時，應將其理由通知請求協助機關。
請求協助機關對此有異議時，由其共同上級機關決定之，無共同上級機關時，由被請求機關之上級機關決定之。
被請求機關得向請求協助機關要求負擔行政協助所需費用。
其負擔金額及支付方式，由請求協助機關及被請求機關以協議定之；協議不成時，由其共同上級機關定之。