American Airlines cuts commissions outside U.S. Monday July 1, 9:49 AM EDT DALLAS/FORT WORTH, July 1 (Reuters) - AMR Corp.'s (AMR <http://money.excite.com/jsp/qt/full.jsp?time=0&symbol_search_text=AMR> ) American Airlines said on Monday it will no longer pay a base commission for airline tickets issued by travel agents located outside of the United States and Canada. The move expands a policy American and other airlines implemented in March, when many announced they would no longer pay a base commission to travel agents within the United States, including Puerto Rico and U.S. Virgin Islands, and Canada. The change applies to all tickets, said American, the world's largest carrier.