working permit after opening RO

Hi All,
anyone can help with this

once the RO is open, i should then apply for a working permit.
What is the process of applying by myself for a working permit?
thanks
ps: iam currently employed with a taiwanese company and have 3.5 years on my ARC

The Director or Manager of an Approved Business Invested or Established by Overseas Chinese or Foreigner(s)
https://ezworktaiwan.wda.gov.tw/ezworken/home.jsp?pageno=201508100016

ok found on that website what i was looking for -
cheers