12 GCA § 8115: Exemption from Taxation, and In-Lieu Payments.

As an instrumentality of Guam, the Authority and all property acquired by or for the Board and all revenues and income therefrom are exempt from taxation by Guam or by any political subdivision or public corporation thereof and from all taxes imposed under the authority of I Liheslaturan Guåhan, or with respect to which I Liheslatura is authorized to grant exemption. Sales of liquid fuels for electric power generation to the Authority are exempt from the tax on such sales to the same extent as sales to the United States are exempt and sales of all fuel to the Authority for electric power generation are exempt from the business privilege tax.