As an HR manager at DataX Space, a pregnant employee asks you about the companys leave policies. She expresses concerns about her familys finances if she were to leave her job for too long. Under federal law, what must your employee leave policy include?

a) An increase in pay to cover the daily expense of a new baby.

b) A requirement for employees to provide a medical certification of their ability to work.

c) A prescribed time requirement for leaving or returning to work.

d) A provision for employees to return to the same or substantially similar job when their physical condition allows them to do so.