Alien must keep the Work Permit on himself or at the place of work during working
hours.
2. In case the foreign worker change the employer, he/she has to notify the Immigration
Bureau of such change and request to continue for staying in Thailand with the new
employer or the foreign worker has to travel out of the Kingdom of Thailand in order
to apply for a new non-immigrant visa from Royal Thai Embassy abroad. After entering
to the Kingdom, then apply for a new Work Permit (Form WP.1) before the expiry date
of visa.