Gross receipts for license tax purposes under Chapter 37 (§ 58.1-3700 et seq.) shall not include the license and admission taxes established under §§ 59.1-392 and 59.1-393, respectively, nor shall it include pari-mutuel wagering pools as established under Article 1.1 (§ 18.2-340.15 et seq.) of Chapter 8 of Title 18.2 or § 59.1-392.