I’m not sure. I’m not well versed in the law here. I merely posted news reports that say a certain sentenced was increased. Here’s where that August 2012 discussion starts:
Yes, the best thing is to ask a lawyer.
Edited to add:
Here’s another, fairly recent one:
Hsiao Po-wen and Kuan-lin Liu, “High Court hikes jail time for defendants in police murder,” Focus Taiwan, December 28, 2017