An expense incurred for the permanent improvements to rented facilities. Leasehold improvements are considered fixed assets and depreciated over the leased period.

An improvement of a leased asset that increases the asset's value. The expense of a leasehold improvement is carried as an asset that declines in value over time, as the value is depreciated over the life of the lease or the improvement.

Improvements on a leased asset that increase the value of the asset.

An asset that gives the Postal Service the right to use property under a lease.