Originally Posted by
Wpgjetse
AC upgrade credit are issued and expire the same way as their old paper cert. AC old paper cert always expired end of February following year and were never good for 2 year, unless they were issued after Nov 1. Also, CP upgrade stickers were never good for 2 year to my knowledge.
CP upgrade stickers were valid for 1 year after the month of issue. So I had received threshold upgrade stickers in June 2017, the stickers were valid until June 2018.