38 USC 8167 - Exemption from State and local taxes

The interest of the United States in any property subject to an enhanced-use lease and any use by the United States of such property during such lease shall not be subject, directly or indirectly, to any State or local law relative to taxation, fees, assessments, or special assessments, except sales taxes charged in connection with any construction, alteration, repair, remodeling, or improvement project carried out under the lease.