First-time Passport Application and Lost Passport Re-issue should apply in person.

Appointment
Consular Services ( Passport, Visa and Document Authentication, etc.) is available from 9:00 am to 13:00 pm, Monday through Thursday. Please proceed to make an appointment.

Walk-in service
Walk-in service is available Monday to Thursday from 09:00 to 13:00. We only accept 25 walk-ins per day. Starting at 08:45, applicants can take a number in the lobby and submit your applications after those with appointments. We operate on a first come first served basis. Please be advised that your waiting time could be extended due to circumstances such as a large number of applicants and long process time for individual cases.
https://www.roc-taiwan.org/usnyc_en/post/6310.html

Mail-in
Please check TECO in New York Website for the most updated information. https://www.boca.gov.tw/lp-139-2.html
Make sure your application package has been carefully sealed and that your name, contact phone number, email address, and application category are written on your package.
To meet the requriements, please visit: https://www.taiwanembassy.org/usnyc/cat/15.html

Applicants can submit applications from Monday to Thursday from 09:00 to 13:00.

Processing time
1.E-Passport: 7 weeks
2.Machine Readable Passport, valid for a year: 2 weeks
3.Entry certificates for Republic of China (Taiwan) nationals (traveling on direct flights operated by China Airlines or Eva Air): 3 to 5 days