Blaze orange
500 contiguous square inches of fluorescent orange during any gun deer season (and during archery/primitive-weapon seasons that overlap it), including while walking to and from a stand; exceptions for hunters elevated 12+ feet or in a fully enclosed blind.
Tagging
Deer harvests must be reported through Game Check — online, via the MDWFP HuntFish app, or by phone — before 10pm on the day of harvest, with a confirmation number issued.