BURT'S BEES效期 - 保養

***自己回答

If you received a code that starts with B, example B0140421Y, please use the
following method.
B0 - plant
14 - year
042 - day of the year it was manufactured.
B0140421Y = 2-11-2014 (11th feb 2014)
Shelf life : 3 years
Recommended to use within 12 months after opening

*****

我知道過去的效期是七位碼

但今天拿到一批說是新口味 格式是B0140921Z

推測是不是改成年月日了

請問這樣是怎麼看呢?

如果是照舊法，就是09年生產了?

謝謝

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