; (ii) the certification shall state the reason that the leave is required with the facts to be disclosed limited to the minimum necessary to establish a need for the employee to be absent from work, and the employee shall not be required to explain the details of the domestic violence, sexual assault, or stalking involved; and (iii) with respect to confidentiality under subparagraph (D) of such paragraph, any information provided to the employer under this paragraph shall be confidential, except to the extent that any disclosure of such information is— (I) requested or consented to in writing by the employee; or (II) otherwise required by applicable Federal or State law. (D) Specification of documentation An employer may not specify which of the forms of documentation described in clause (i), (ii), or (iii) of subparagraph (B) is required to be provided in order to satisfy the requirement under subparagraph (A). 4. Notice requirement (a) In general Each employer shall notify each employee and include in any employee handbook, information— (1) describing paid sick time available to employees under this Act; (2) pertaining to the filing of an action under this Act; (3) on the details of the notice requirement for a foreseeable period of time under section 3(d)(1)(B)(i); and (4) that describes— (A) the protections that an employee has in exercising rights under this Act