Labor Insurance Act Article 58-1

Old-age pension benefit will be calculated and chose one based on the most advantageous method of the following:1. The monthly pension amount is calculated as 0.775% of average monthly insurance salary for each single insurance coverage year plus 3,000 NT dollars.2. The monthly pension amount is calculated as 1.55% of average monthly insurance salary for each single insurance coverage year.
中文原文 勞工保險條例第58-1條
老年年金給付,依下列方式擇優發給:
一、保險年資合計每滿一年,按其平均月投保薪資之百分之零點七七五計算,並加計新臺幣三千元。
二、保險年資合計每滿一年,按其平均月投保薪資之百分之一點五五計算。

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