12 GCA § 771303: Credits Against Business Privilege Tax.

(a) To the extent that any business contributes to the actual cost of construction, development, upgrade, repair, or maintenance, or the debt service currently owed for the cost of the same, of the Guam National Tennis Federation Center facilities, such business shall be entitled to credits of the unpledged business privilege taxes. The basis for the contributions to the project shall be the actual cost of the contribution plus the cost of transportation, if any, from the point of origin to its destination.

(b) Any unused credits not used in the current tax period may be carried over into subsequent tax periods until such credits are exhausted.

(c) The total credits allowed under this Article shall not exceed the actual dollar amount of the expenditures on the project by the taxpayer.