I was out sick for a serious health condition and was 2 days late getting the medical certification to my employer. I returned to work for a few weeks after recovering enough to work and filed an appeal with the company's absence administration department per company protocol for the late paperwork stating I was too sick to get it in in a reasonable amount of time. After being back to work for 2 weeks I was terminated because the medical certification was 2 days later than company policy. Can they do this?