How do I notify an additional person (email address) to be notified of the daily birthday summary?

How do I notify an additional person (email address) to be notified of the daily birthday summary?

The system can be configured to automatically send employees a celebratory email on their birthdays.

      Navigate > Configuration > Basic Settings > General Company > Employee Birthday Email

Select the "send daily birthday summary" checkbox to add a second email address, the email addresses may be separated with a semi-colon.