The Law of Ships Article 66

Owner of the private yacht of an age below 12 years with a full length under 24 meters and not more than 12 member capacity shall implement voluntary inspection and fill in the voluntary inspection form within three months of each full year after the date of passing the special inspection, and the submit the form together with the Certificate of Yacht to the shipping administration authority of the port of registry or place of registration for future reference.Owner of the private yacht with a propulsion power of less than 12 kw shall be self-inspected and filled in the self-inspection form to the shipping administration authority for reference 3 months before and after the due date of every one full year from the date of passing the first special inspectionPrivate yachts shall not sail without completing the stipulated procedures as mentioned in the preceding paragraph.After the yacht has passed the additional inspection as stipulated in Paragraph 1 of Article 27, the shipping administration authority shall make a note on the Certificate of Yacht.
中文原文 船舶法第66條
遊艇船齡未滿十二年,全長未滿二十四公尺,且乘員人數十二人以下自用遊艇之所有人,應自遊艇特別檢查合格之日起每屆滿一年之前後三個月內,自主檢查並填報自主檢查表,併遊艇證書送船籍港或註冊地航政機關備查。
推進動力未滿十二瓩之自用遊艇,其所有人應自第一次特別檢查合格之日起,每屆滿一年之前後三個月內,施行自主檢查並填報自主檢查表送航政機關備查,且不適用特別檢查及定期檢查施行期限規定。
自用遊艇未依前二項規定辦理者,不得航行。
遊艇經依第二十七條第一項規定臨時檢查合格後,航政機關應於遊艇證書註明。

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