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When someone buys a product with Kosher certification, do they have to check to make sure that it is still certified Kosher or can they rely on the fact that the last time (or first time) they bought it it had certification? For how long can someone rely on the previous time they checked?

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@DoubleAA I think the answers there would not apply here (which I think demonstrates it isn't a dupe, but correct me if I'm wrong) –  YEZ Aug 14 at 2:27
    
@DoubleAA meaning, shelf-items do not have dates on their hechsherim, for starters. –  YEZ Aug 14 at 2:28
    
    
@DoubleAA That one is even more similar, but it is talking about a case where what you are verifying is if this is the same food as it was years ago. Here, you know it is the same, and want to know if it has dropped certification. (I.e. there you want to know if this is still Planters. Here you want to know if Planters has remained Kosher.) –  YEZ Aug 14 at 4:10

1 Answer 1

My family used to use a certain brand of margarine that was Pareve for years. We didn't check the Hechsher (Kosher certification) on the product very often, but one day it changed from being Pareve to being dairy. Luckily, we noticed that it had become dairy and we stopped buying that margarine. Had we not checked, it would very likely have led to mixing of meat and milk.

I recommend always looking for a Hechsher.

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I've got one worse, something I used to eat went from milchig to basar b'chalav. –  Noach mi Frankfurt Aug 14 at 16:34
    
Oy, that's not cool. Did they added bovine gelatin or something? –  Big Joe Aug 14 at 20:49
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Chicken fat. The hechsher vanished (I then discovered). –  Noach mi Frankfurt Aug 14 at 23:49

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