Mich. Comp. Laws § 333.5125
A licensed health professional in charge of the care of a newborn infant, or if none, the licensed health professional in charge at the birth of an infant, shall treat the eyes of the infant with 1 or more of the prophylaxes approved by the department within 1 hour after the birth of the infant, or as soon after the birth of the infant as the health professional is present. If any redness, swelling, inflammation, or gathering of pus appears in the eyes of the infant or upon the lids or about the eyes of the infant within 2 weeks after the date of birth, a nurse, nurse-midwife, or other person having care of the infant shall report the condition to the physician in charge of the care of the infant, or if there is not a physician in charge of the care of the infant, to the local health department, within 6 hours after the discovery of the redness, swelling, inflammation, or gathering of pus.
MCL 333.5125