The Taiwan International Ports Corporation, Ltd. Establishment Act Article 13

Current public employees of TIPC’s predecessor organizations who have passed government examinations shall not be limited by regulations governing transference stated in the Civil Service Examination Act, Civil Service Employment Act or other regulations related to official civil servant examinations upon assisted transference into the original appointing agency or a sub-agency, school, original examination organization or a sub-organization, non-school organization, or school service.With regard to later position transfers made during the allowed position transfer time period, employees shall be limited to: agencies / organizations specified in their original examination qualifications, schools, original examination organization or organization assisting with transfer, school administrative organizations or sub-organizations, and school-related responsibilities.Employees in paragraph 1 with professional or technical civil servant qualifications are not subject to limitations set forth in transference regulations during the permitted transfer period. However, these employees must serve in the transferring organization or the organization (or its sub-organizations) assisting with the transfer for a period of at least 3 years before transferring to another organization.
中文原文 國營港務股份有限公司設置條例第13條
原機構屬各項公務人員考試及格之現職公務人員,經協助安置轉調至原分發任用之主管機關及其所屬機關、學校、原請辦考試機關及其所屬機關、學校以外之機關、學校服務時,得不受公務人員考試法、公務人員任用法及各項公務人員考試規則有關轉調規定之限制。
前項人員日後之轉調,於限制轉調期間內,仍應以原考試及格人員得分發之機關、學校、原請辦考試機關或原經協助安置轉調機關、學校之主管機關及其所屬機關、學校有關職務為限。
第一項人員屬依專門職業及技術人員轉任公務人員條例轉任且尚於限制轉調期間內者,得不受該條例有關轉調機關規定之限制。
但須於原轉任機關、原經協助安置轉調機關及所屬機關合計任職滿三年後,始得調任其他機關任職。

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