41 CFR 302-11.3: -11.3 Settlement of an unexpired lease.

When an employee has an unexpired lease (including month to month) that is for residence quarters at their old official station, they may be reimbursed for settlement expenses, including but not limited to broker's fees for obtaining a sublease or charges for advertising if:

(a) Applicable laws or the terms of the lease provide for payment of settlement expenses;

(b) Such expenses cannot be avoided by sublease or other arrangement;

(c) The employee has not contributed to the expenses by failing to give appropriate lease termination notice promptly after having definite knowledge of their transfer; or

(d) The broker's fees or advertising charges are not in excess of those customarily charged for comparable services in that locality.