Regulations of Drone Article 22

Applicants who apply for Professional Remote Pilot Licenses shall complete the practical test within one year from the date of passing the written test, failing which the applicants shall be required to re-apply for the written test.Applicants who fail the practical test for a Remote Pilot License may apply for the second test for the part previously failed within 30 days of receiving the notification of the test result.Applicants for a Remote Pilot License shall, within 30 days from the date of approval by the CAA confirming they have passed the relevant tests, submit documents verifying their successful completion of the written and practical tests to the CAA to apply for license issuance.If an applicant is unable to apply for license issuance within the time limit specified in the preceding paragraph, they may request a 30-day extension from the CAA before the deadline, provided such an extension is granted only once.
中文原文 遙控無人機管理規則第22條
申請遙控無人機專業操作證者,其術科測驗應於學科測驗通過日起一年內完成;未完成者應重新申請學科測驗。
遙控無人機操作證申請者之術科測驗成績不合格者,就其不合格部分得於收到成績通知三十日後申請複測。
遙控無人機操作證申請者應於民航局核定測驗合格之日起三十日內,檢附學、術科測驗合格文件向民航局申請發證。
未能於前項期限內申請發證者,得於期限屆至前,向民航局申請延展三十日,並以一次為限。

English translation for reference only; the Chinese text prevails. Not legal advice.