Remember that the 51% sign carries no legal authority on its own...it is advisory only.
It is the nature of the business and NOT the presence or absence of the 51% sign that matters.
By that I mean, if a place recieves more than 50% of its revenue from the sale of alcohol for ON PREMESIS consumption , and you enter armed using your CHL...you are in violation whether the sign is there or not.
On the other hand, if the place does NOT recieve more than 50% of its revenue from the sale for on premesis consumption, and you enter armed using your CHL, then you are NOT in violation whether the 51% sign is there or not.
Hope this helps.