Real Property Tax As used herein, the term "real property tax" shall include any form of real estate tax or assessment, general, special, ordinary or extraordinary, and any license fee, commercial rental tax, improvement bond or bonds, levy or tax (other than inheritance, personal income or estate taxes) imposed on the Premises by any authority having the direct or indirect power to tax, including any city, state or federal government, or any school, agricultural, sanitary, fire, street, drainage or other improvement district thereof, as against any legal or equitable interest of Lessor in the Premises or in the real property of which the Premises are a part, as against Lessor's right to rent or other income therefrom, and as against Lessor's business of leasing the Premises. The term "real property tax" shall also include any tax, fee, levy, assessment or charge (i) in substitution of, partially or totally, any tax, fee, levy, assessment or charge hereinabove included within the definition of "real property tax," or (ii) the nature of which was hereinbefore included within the definition of "real property tax," or (iii) which is imposed for a service or right not charged prior to June 1, 1978, or, if previously charged, has been increased since June 1, 1978, or (iv) which is imposed as a result of a transfer, either partial or total, of Lessor's interest in the Premises or which is added to a tax or charge hereinbefore included within the definition of real property tax by reason of such transfer, or (v) which is imposed by reason of this transaction, any modifications or changes hereto, or any transfers hereof.