; and (D) maintain an adequate amount of leave in the family and medical leave bank to the greatest extent practicable. (3) Qualifying family and medical events To the greatest extent practicable, each Family and Medical Leave Bank Board shall use the certification forms and standards established for purposes of section 6382 in determining whether, for purposes of this section, a circumstance described in section 6382(a)(1) exists. (d) Crediting of leave (1) Forfeited leave Any annual leave lost by a covered DOD employee by operation of section 6304 shall be credited to the family and medical leave bank of the designated unit in which the covered DOD employee is employed. (2) Additional annual leave contributions This section shall not supersede or modify the ability of a covered DOD employee to donate earned annual leave to a qualified recipient under regulations of the Department. (3) Contributions of use or lose leave (A) In general A covered DOD employee who is projected to have annual leave that otherwise would be subject to forfeiture at the end of the leave year under section 6304 may submit an application in writing requesting that a specified number of hours (not to exceed the number of hours projected to be subject to forfeiture) be transferred from the annual leave account of the covered DOD employee to the family and medical leave bank for the designated unit in which the covered DOD employee is employed. (B) Approval If a Family and Medical Leave Bank Board approves an application by a covered DOD employee under subparagraph (A), the Secretary shall transfer to the family and medical leave bank of the designated unit in which the covered DOD employee is employed the amount of leave requested to be transferred. (e) Application for leave (1) In general A covered DOD employee who is or anticipates being absent from regularly scheduled duty because of a circumstance described in section 6382(a)(1) (without regard to whether the covered DOD employee is entitled to leave under section 6382(a)(1)) may