; and (ii) any additional paid vacation or sick leave provided by such employer. (C) Limitation Nothing in this paragraph shall be considered to require that an employee first use all or any portion of the leave described in clause (ii) of subparagraph (B) before being allowed to use the paid parental leave described in clause (i) of such subparagraph. (D) Additional rules Paid parental leave under subparagraph (B)(i)— (i) shall be payable from any appropriation or fund available for salaries or expenses for positions with the employer described in section 101(4)(A)(iv)