Michigan Compiled Laws, Chapters 701 to 713 Probate Code § 710.37

(a) The putative father submits a verified affirmation of his paternity and a denial of his interest in custody of the child.

(b) The putative father files a disclaimer of paternity. For purposes of this section the filing of the disclaimer of paternity shall constitute a waiver of notice of hearing and shall constitute a denial of his interest in custody of the child.

(c) The putative father was served with a notice of intent to release or consent in accordance with section 34(1), at least 30 days before the expected date of confinement specified in that notice but failed to file an intent to claim paternity either before the expected date of confinement or before the birth of the child.

(d) The putative father is given proper notice of hearing in accordance with section 36(3) or 36(5) but either fails to appear at the hearing or appears and denies his interest in custody of the child.

(a) The putative father, whose identity is not known, has not made provision for the child's care and did not provide support for the mother during her pregnancy or during her confinement.

(b) The putative father, whose identity is known but whose whereabouts are unknown, has not provided support for the mother, has not shown any interest in the child, and has not made provision for the child's care, for at least 90 days preceding the hearing required under section 36.