The Taiwan International Ports Corporation, Ltd. Establishment Act Article 19

Predecessor agency employees who have been retired or receive pensions shall continue to receive full benefits due under the Civil Servant Retirement Act / Civil Servant Survivor Relief Act.Retirement payments, pension payments, and relief payments as well as retirement care matters shall be handled by TIPC. Necessary funding shall be arranged in accordance with Article 17 and funds related to retirement and care shall be provided by the TIPC.
中文原文 國營港務股份有限公司設置條例第19條
原機構已辦理退休或撫卹人員,仍適用原公務人員退休法或公務人員撫卹法之規定。
前項人員退休金、撫卹金、撫慰金之發放及退休照護等事項,應由港務公司承接;其所需費用依第十七條規定辦理,其餘退休、照護經費由港務公司編列預算支應。

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