Emotional support animal dog tags are also provided by many websites, but ID tags aren’t required by law. Both service and emotional support animals could be excluded from the workplace should they pose either an undue hardship or an immediate threat emotional support animal letter at work. Following your payment of $150 is confirmed you’ll be automatically carried to the Evaluation Form. Emotional Support Animal letters are usually considered valid for a single year. The animal has to be housebroken. Emotional Support Animals offer some therapeutic benefit to someone with depression or anxiety.