if your parent were a nwohr when you were born, then they got a hhr later, you are eligible to nwohr and tarc through the parent but still need to live for a year.
fyi
if your parent was a national with hhr when you were born, you don’t need to be on tarc to get your hhr. if you are a minor or born in taiwan, you can enter with foreign passport and register your hhr if you are born abroad and not a minor, you need to enter with a nwohr passport to register your hhr if none of your parent is a national with hhr, it remains the same, or almost the same. not sure if you want to add, but if you were born in prc, different rules are applied.
the link and instructions may be changed when the amendment will become effective, though APPLYING FOR A TAIWAN (NWOHR) PASSPORT Instructions are available in Chinese in english you were born in Taiwan between February 10th 1989 and February 9th 1999 and your mother had Household Registration (even if your father was not Taiwanese) at this moment: between February 10th 1980 and February 9th 2000 not even if. just if this part is expanded to all nationals who were born in taiwan with…