According to the Article 53 of the Employment Service Act, when foreign professional worker has to transfer to a new employer, the new employer(s) shall apply for permit. And the new employer shall submit upon such application the relevant document(s) certifying the termination of the previous employment.
The processing time for online application is 7 days, but exception of paper application process is 12 days. The employer should pay attention to the above- mentioned processing time to avoid foreign workers unemployed so early that the new employment permit has not ready yet.