Should masks be mandatory? It depends They will also be considering whether the bylaws aimed at curbing the spread of the coronavirus will be enacted immediately or if there will be a grace period.The proposed bylaw says the face covering can include masks, bandanas or scarves that cover the nose, mouth and chin.The bylaw will also create an obligation on shopkeepers to not allow customers into their stores without covering their faces.Children under the age of five and those with a medical exception will be exempt from the bylaw.