This happened to me and at least one other intern in the late 90’s at Cisco. The other intern told them after 1 week and was told to just keep it. I waited five

This happened to me and at least one other intern in the late 90’s at Cisco. The other intern told them after 1 week and was told to just keep it. I waited five weeks (a little more than $4K) and then told them. They never got back to me but stopped sending me checks. I left it in my bank account from August until the following May (paid my taxes). When I graduated, I used that money on a nice trip to Europe.