Regulations for Placement of Helpless Children and Youth Article 6

The authorities concerned of the municipality and provincial county (city) governments shall consult with the police authorities regarding the outcome of looking for the parents or guardian(s) if fail to find them after six (6) months dated from the day of receiving the information on the helpless child and youth. The process shall be conducted pursuant to article 7 after obtaining written document.
中文原文 無依兒童及少年安置處理辦法第6條
直轄市、縣(市)主管機關接獲無依兒童及少年通報日起滿六個月後,仍未尋獲該兒童及少年之父母、監護人時,應向警察機關確認協尋結果,並取得書面證明文件後,依第七條規定辦理。
但完全無法知悉父母、監護人身分者,得縮短為四個月。

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