Enforcement Act of Land Act Article 61

When relocating ownerless graves according to Paragraph 2, Article 246 of the Land Act, a public announcement shall be made ten (10) days prior to the relocation for a period of at least seven (7) days.
中文原文 土地法施行法第61條
依土地法第二百四十六條第二項之規定,遷移無主墳墓時,應於十日以前公告之,公告期限不得少於七日。

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