[header] How to verify rehab treatment for an employee [title] Receive an fmla request. [step] If an employee requests time off to take place in a substance abuse treatment program, you must assess whether they are eligible for fmla time. Generally, the employee must have worked for you for at least a year. 
[substeps] The employee can request time off either orally or in writing. For example, the employee may call in and request time off, or may stop you in a hallway to ask you about it.