evidence from https://syfert.com/michigan/sections/712B.9.html

Mich. Comp. Laws § 712B.9 — Child custody proceeding; notification to parent, Indian custodian, and tribe; additional preparation days; suspension of proceedings; prejudice by lack of notice; determination as to which tribe child is member; circumstances leading to belief child is an Indian; determining, documenting, and contacting extended family; determination or testimony by authorized person; documentation of efforts. | Syfert Law: In the MIFPA, the Legislature expressly set forth a nonexclusive list of circumstances that give a court reason to believe that a child is an Indian child.