The Royal and Ancient Golf Club of St Andrews ( R&A ) said Muirfield could now become a venue for the British Open once again .
St Andrews ( R&A ) is the sport 's joint - governing body with the United States Golf Association .
The Royal and Ancient Golf Club of St Andrews ( R&A ) , the sport 's joint - governing body with the United States Golf Association , said Muirfield could now become a venue for the British Open once again .