Do you refrigerate PEANUT BUTTER?

AviatorTom
Do you refrigerate PEANUT BUTTER?

Simple question. Do you refrigerate Peanut Butter? Before its opened? After its opened? When do you discard it?

Updates
11 d
Reliable sources say it's okay to keep an unopened jar of Peanut Butter unrefrigerated on the shelf for 3 months, then another 3 months on the shelf after opening it. After that, it should be refrigerated, with a lifespan of another 3 months before any remaining Peanut Butter should be discarded.
Do you refrigerate PEANUT BUTTER?
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