; and (B) specify the amount of leave that shall be transferred to a covered DOD employee whose application is approved. (3) Maximum amount of leave (A) In general A Family and Medical Leave Bank Board may not specify an amount of leave to be transferred to a covered DOD employee that is more than the amount of leave described in subparagraph (B). (B) Amount The amount described in this subparagraph is— (i) with respect to a full-time covered DOD employee, 12 weeks; and (ii) with respect to a part-time covered DOD employee, the amount equal to the product obtained by multiplying— (I) 12 weeks; by (II) the quotient obtained by dividing— (aa) the number of hours in the regularly scheduled workweek of the part-time covered DOD employee; by (bb) the number of hours in the regularly scheduled workweek of a covered DOD employee serving in a comparable position on a full-time basis. (4) Transfer The Secretary shall transfer to a covered DOD employee whose application is approved under paragraph (2)(A) the number of hours of leave specified under paragraph (2)(B) from the family and medical leave bank for the designated unit in which the covered DOD employee is employed. (f) Use of leave (1) Coordination with existing FML A leave recipient who is entitled to leave under section 6382(a)(1) shall use any leave transferred to the leave recipient from a family and medical leave bank in accordance with section 6382(d)(2). (2) Failure to use leave (A) In general Any leave transferred to a leave recipient from a family and medical leave bank that is not used before the end of the 12-month period beginning on the date described in subparagraph (B)— (i) shall be forfeited by the leave recipient; and (ii) shall be credited to the family and medical leave bank from which the leave was transferred. (B) Start of period for use The date described in this subparagraph is the later of— (i) the date on which the circumstance described in section 6382(a)(1) arises