The exercise of the powers granted by this Chapter shall constitute the performance of an essential governmental function and the Authority shall not be required to pay any taxes or assessments upon or in respect of a project, or any property or money of the Authority, and the Authority, its projects, property and money and any bonds and notes issued under the provisions of this Chapter, their transfer and the income therefrom, including any profit made on the sale thereof, shall at all times be free from taxation of every kind. Bonds issued pursuant to the provisions of this Chapter and the interest income therefrom are exempt from taxation in accordance with the provision of the last sentence of §11 of the Organic Act of Guam (§1423a, Title 48, U.S. Code).