if the son or daughter of the employee with respect to whom the subsection applies has not been exposed to coronavirus. (c) Relationship to paid leave (1) In general An employee may elect to substitute any of the accrued vacation leave, personal leave, or medical or sick leave for leave under section 102(a)(1)(F) in accordance with section 102(d)(2)(B). (2) Employer requirement An employer may not require an employee to substitute any leave as described in paragraph (1) for leave under section 102(a)(1)(F). (d) Notice In any case where the necessity for leave under section 102(a)(1)(F) for the purpose described in subsection (a)(2)(A)(iii) is foreseeable, an employee shall provide the employer with such notice of leave as is practicable. (e) Certification (1) In general An employer may require that a request for leave under section 102(a)(1)(F) be supported by documentation described in paragraph (2). An employer may not require such documentation until not later than 3 weeks after the date on which the employee takes such leave. (2) Sufficient certification The following documentation shall be sufficient certification: (A) With respect to leave taken for the purposes described in clause (i) or (ii) of subsection (a)(2)(A)— (i) a recommendation or order from a public official having jursidiction or a health care provider that the relevant individual has symptoms of coronavirus or should be quarantined