The Enforcement Rules of the Ship Registration Law Article 13

Any registrant requesting to certify that he does not alter any thing that has been registered or that he does not make any registration with regard to some thing shall furnish two copies of application forms, elaborating what and when he requests, to which the applicant shall subscribe his name and affix his chop.Of the two copies of application forms mentioned in the previous paragraph, one shall be filed and the other, after endorsed by the Shipping Administration Authority, shall be returned to the applicant.
中文原文 船舶登記法施行細則第13條
登記人請求證明其登記事項並無變更或並無某種事項之登記時,應提出申請書二份,載明請求證明之事項及年、月、日,由申請人簽名蓋章。
前項申請書二份,以一份存查備案,另一份於註明此項申請業經航政主管機關註明字樣,加蓋印信發還申請人。

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