My father is currently employed at a facility where they refuse to pay overtime. They issue two checks when he is over 40 hours. Trouble is - when they issue 2 checks they don't have the stub to the 2nd one. So we have no proof of 2 checks and we did not document the dates. What to do?

This is the third place you have posted the same issue. All the responders here read all the forums. I answered one of your other posts.