The Enforcement Rules of the Specifically Selected Goods and Services Tax Act Article 2

"Yachts," as used in Article 2, paragraph 1, subparagraph 3 of the Act, means yachts as defined in Article 3, subparagraph 7 of the Ships Act, including yachts for personal use and for non-personal use as defined in subparagraphs 8 and 9 of the same article.
中文原文 特種貨物及勞務稅條例施行細則第2條
本條例第二條第一項第三款所稱遊艇,指船舶法第三條第七款所定之遊艇,包括同條第八款及第九款所定之自用遊艇及非自用遊艇。

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