Vehicle License Tax Act Article 12

Any newly purchased, newly imported, or newly assembled transportation equipment shall apply to the traffic management authority for registration inspection procedures with the attachment of importation or other origin documents. After passing the inspection, the applicant shall submit the qualified registration inspection certificate along with the aforementioned documents to the competent tax authority for verification of conformity in type and usage nature. After processing the payment of the current Vehicle license tax, the applicant shall then present the tax receipt and all documents to the traffic management authority to obtain license plates.Transfer registration procedures shall not be processed for transportation equipment until the Vehicle license tax and fines have been paid in full.When applying for transfer of ownership or reinstatement of use for a transportation equipment that has been reported as suspended, the traffic management authority shall only accept the application after verifying the payment of the current Vehicle license tax and shall notify the relevant tax authority of any related changes.
中文原文 使用牌照稅法第12條
凡新購、新進口或新裝配之交通工具,應檢附進口或其他來歷證件,向交通管理機關申請登記檢驗手續。
如經檢驗合格後,由申請人檢具登記檢驗之合格證件,連同上項證件,送主管稽徵機關查對其種類及使用性質確實相符,並經辦理繳納當期使用牌照稅後,再憑納稅收據及所有證件,向交通管理機關領取號牌。
交通工具未繳清使用牌照稅及罰鍰前,不得辦理過戶登記。
交通工具申請過戶或業已報停之交通工具申請恢復使用時,交通管理機關應查驗已納當期使用牌照稅後,方予受理,並將相關之異動資料通知該管稽徵機關。

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