Please check this link to know more about TAX in Taiwan.
https://taxsummaries.pwc.com/taiwan/i....

Income Tax Filing FAQ for Foreigners in Taiwan
https://www.foreignersintaiwan.com/bl...

Check out the videos below.

TFETP Requirements, Remuneration, and Benefits
   • TFETP Requirements, Renumeration and ...  

Teacher Online Interview
   • Teacher Online Interview II Public Sc...  

TFETP 2021 Application Timeline II Sharing My Experiences
   • TFETP 2021 Application Timeline II Sh...  

TFETP FAQs II Answering your FQAs
   • TFETP FAQs II Answering your FQAs  

My Teaching Experiences I I Public Elementary School Teacher in Taiwan
   • My Teaching Experiences I I Public El...  

Here's the playlist of my videos related to teaching in Taiwan.
   • My Teaching Experiences I I Public El...  
DFA Link

Xiexie ni!
Best of luck!
God bless!