All information provided to the employer pursuant to the terms of this Chapter, including a statement of the employee or any other documentation, record, or corroborating evidence, and the fact that the employee has requested or obtained leave pursuant to this Chapter, shall be retained in the strictest confidence by the employer, except to the extent that disclosure is:
(1) requested or consented to in writing by the employee; or
(2) otherwise required by applicable federal, state or local law.