The foreign company and the representative office are considered to be the same single legal entity, with the result that the foreign company is bound to third parties by the acts which its representative office has conducted within the scope of authority granted to it. If the representative office commits an act without authority or acts beyond the scope of its authority, that act would not bind the company as a matter of Thai law unless the act has been ratified by the company. Our legal counsel and business consultants are strong in business and conflict resolution experience. Let's professional Thai business lawyer in Bangkok help you by call us (66)2 693-2036 or [email protected] , for more detail : http://www.mslaw2006.com/representative_office_in_thailand.html