National Pension Act Article 13-1
The insurer will send the written insurance premium bill for December 2011 by the end of January 2011, requesting the insured persons to pay before March 2012 the insurance premium of December 2011, excluding the limits in stipulations of the preceding article.
中文原文 國民年金法第13-1條
被保險人應負擔之中華民國一百年十二月份保險費，由保險人於一百零一年一月底前以書面命被保險人於一百零一年三月底前繳納，不受前條規定限制。