The Law of Ships Article 36

To ensure the stability required for the safety of navigation, a ship shall be subdivided, for which the owner or master of the ship shall apply to the shipping administration authority at the port of calling for inspection, and the ship may only sail after passing the inspection. The competent authority shall undertake to prescribe and give effect to the regulations on the permitted length and special conditions for the subdivision, stability of a ship under damaged condition, watertight devices of the subdivision and other matters for compliance.
中文原文 船舶法第36條
為確保船舶航行安全所需之穩度,船舶應經艙區劃分,並由船舶所有人或船長向船舶所在地航政機關申請檢查合格後,始得航行;其艙區劃分許可長度與特別條件、船舶於受損狀態下之穩度、艙區劃分之水密裝置及其他應遵行事項之規則,由主管機關定之。

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