While businesses can set certain requirements like “no shirt, no shoes, no service”, they are treading a thin line when they demand you wear a mask, even if it’s included in their store policy.
Some are pointing to this as a telltale of fascism as businesses enforce the government edict.
Whatever the case may be, when you need to purchase something from a store, or enter a business or government building that “requires” masks, no exceptions, you can use this form. This will put them on notice for their non-compliance of the law.