Based in St Andrews, The R&A runs The Open, elite amateur events, international matches and the World Amateur Golf Rankings^TM. Together The R&A and the USGA govern the sport of golf worldwide, operating in separate jurisdictions but sharing a commitment to a single code for the Rules of Golf, Rules of Amateur Status and Equipment Standards. The R&A governs worldwide, outside of the United States and Mexico, with the consent of 161 organisations from amateur and professional golf and on behalf of over 30 million golfers in 138 countries.  Merchandise for The Open can be purchased from shop.theopen.com.