The Enforcement Rules of the Ship Registration Law Article 12

The shipowner of a ship shall file his seal imprint certificate with the Shipping Administration Authority. Filing shall also be required upon alteration of such certificate.If the shipowner of a ship is a juridical person, the seal imprint certificate used in the registration of juridical person shall be filed with the Shipping Administration Authority.The filing requirements set out in the two preceding paragraphs shall not apply to government organizations.
中文原文 船舶登記法施行細則第12條
船舶所有人應於申請登記時,將其印鑑送航政主管機關備查。
印鑑更換時亦同。
船舶所有人係法人時,應將法人登記所用之印鑑送航政主管機關備查。
前二項之規定,不適用於政府機關。

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