Regulations for the Implementation of Annuity Insurance under the Labor Pension Act Article 29

Employers shall state the amount of the annuity insurance premium they paid for workers on the salary sheets of workers or otherwise separately inform them in writing. The amount of annuity insurance premium voluntarily paid by workers shall also be stated.At the end of the year, the insurer shall separately issue receipts to the workers.
中文原文 勞工退休金條例年金保險實施辦法第29條
雇主應將每月為勞工所提繳之年金保險費數額,於勞工薪資單中註明或另以其他書面方式通知勞工。
勞工自願提繳之年金保險費數額,亦應一併註明。
保險人於年終時,應另掣發收據給勞工。

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