Subchapter II. Rental of Airspace. § 10–1121.01. Definitions. § 10–1121.02. Mayor’s authority with respect to use of airspace. § 10–1121.03. Terms and conditions to be included in leases. § 10–1121.04. Execution of airspace leases. § 10–1121.05. Removal or relocation of public or private facilities. § 10–1121.06. Applicability of zoning and other laws. § 10–1121.07. Airspace and structures erected thereon deemed real property for purpose of taxation, water and sewer charges; exemptions. § 10–1121.08. Deposit of rents, fees, taxes, assessments, sewer and water charges; payment of expenditures. § 10–1121.09. Restoration of airspace upon expiration or termination of lease. § 10–1121.10. Rules; enforcement. § 10–1121.11. Federal and District governments authorized to construct airspace structures. § 10–1121.12. Actions to recover use of leased airspace. § 10–1121.13. Area exempted from provisions of subchapter.