If you qualified in 2019, you will a VIB until 12/31/20. If you qualified or requalified in 2020, you will be a VIB until 12/31/21.
When you spend $350 within a calander year at Sephora, you become a VIB for the rest of the year, and the following year. If you spent $350 at Sephora last year, then you’re a VIB this year. If you do not spend $350 at Sephora in 2020, then your VIB status expires in 2021.