A person born to a R.O.C. national parent is a R.O.C. national at birth. A person born in the territory whose parents cannot be ascertained or were both stateless is also a national. Birth in Taiwan alone to identified foreign parents is not general jus soli.
Sources: Taiwan (R.O.C.) Nationality Act — Laws & Regulations Database
A spouse of an ROC national may naturalize after three years of continuous residence, instead of five.
Sources: Taiwan (R.O.C.) Nationality Act — Laws & Regulations Database
A person has R.O.C. nationality if the father or mother was a R.O.C. national at the time of birth, or if a parent died before the birth while a R.O.C. national. Restoration routes exist for persons who previously lost nationality under the Act.
Sources: Taiwan (R.O.C.) Nationality Act — Laws & Regulations Database
A foreign national or stateless person domiciled in the R.O.C. may apply for naturalization after legally residing more than 183 days each year for at least five consecutive years, with capacity, good conduct, livelihood, and basic national-language and civic knowledge. Shorter three-year floors apply for spouses, certain family ties, persons born in the territory, and other Article 4 categories. Permission is granted by the Ministry of the Interior; eligibility is not an entitlement.
Sources: Taiwan (R.O.C.) Nationality Act — Laws & Regulations Database