If OP has an employment contract and can read, then it’s entirely their fault. This is something that’s easy to check and is written down so that both sides are clear what the terms are. Even if they can’t read they should have asked someone to read it to them.
A lot of companies don’t have a contract (mine just had an offer letter), but they’ll have a benefits description, which will have stuff like the PTO policy. Read that every so often, and do it on the clock.
If OP has an employment contract and can read, then it’s entirely their fault. This is something that’s easy to check and is written down so that both sides are clear what the terms are. Even if they can’t read they should have asked someone to read it to them.
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A lot of companies don’t have a contract (mine just had an offer letter), but they’ll have a benefits description, which will have stuff like the PTO policy. Read that every so often, and do it on the clock.