Last week I had a fever and called out of work with a pretty good amount of time notice. Unfortunately, there are not too many workers and others will not go in on their day off to cover someone who's sick, so a manager had to stay on open until close while I went to an urgent care. Now, my employer is telling my that he's not giving me my share of tips for the week ($60-70 depending on my hours) as punishment. My employer says it's to compensate for lost businesses for that half a day. Is this legal for him to do?