Headgear: Typically, state laws and procedures used to require the exposure of the head before taking drivers license or identification card photographs. Forty-six states passed laws or enacted administrative policies addressing the religious needs of applicants with headgear:

Most states provide for religious/cultural exemptions
Thirty-five states exempt religious or cultural headgear from the requirement to expose the hair. These states are:

Alabama, Alaska, Arizona, California, Colorado, Connecticut, Florida, Hawaii, Idaho, Illinois, Indiana, Iowa, Louisiana, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Nebraska, Nevada, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Vermont, West Virginia, Wisconsin, and Wyoming.

Some state recognize religious headgear as normal wear
Minnesota, New Jersey, New York, Texas, Utah, Virginia, and Washington do not view religious headwear as as exception that need to be addressed, but as a normal variation that is recognized and respected.

Several states are silent on the issue
Georgia, Kansas, Kentucky, and New Hampshire do not have laws or regulations regarding headgear in drivers license photos.