Montgomery County adopts less restrictive mask guidelines Fully vaccinated residents don’t need to wear one in most settings By Steve Bohnel | share this File photo Montgomery County officials on Tuesday voted to relax some mask-wearing requirements, aligning with recent guidance from the Centers for Disease Control and Prevention. The county’s Board of Health, which includes the County Council, unanimously approved new regulations, after some minor clarifying amendments from Council Member Andrew Friedson. Under the new county guidelines, people are no longer required to wear a mask outdoors. Also, people who are fully vaccinated no longer have to wear a mask indoors.