As prescribed in 570.603, insert the following clause:
Adjustment for Vacant Premises (Sep 1999)
(a) If the Government fails to occupy any portion of the leased premises or vacates the premises in whole or in part before the lease term expires, the rental rate will be reduced.
(b) The rental rate will be reduced by that portion of the costs per usable square foot of operating expenses not required to maintain the space. The reduction takes effect 30 calendar days after the Government gives notice to the Lessor, and continues in effect until the Government occupies the premises or the lease expires or is terminated.
(End of clause)