A form letter for employers to use to confirm an employee's intent to return to work when the employee is on leave under the Family and Medical Leave Act (FMLA). Employers may also use this letter to request a fitness-for-duty certification from an employee on FMLA leave due to the employee's own serious medical condition. This Standard Document has integrated notes with important explanations and drafting tips. This Standard Document addresses federal law. For information on state leave law requirements, see the State Q&A Tools under Related Content.