The provisions of Article 3, Division of Purchases and Supply, (§ 2.2-1109 et seq.) of Chapter 11 of Title 2.2 and of Articles 1 (§ 2.2-4300 et seq.), 2 (§ 2.2-4303 et seq.), 3 (§ 2.2-4343 et seq.), and 5 (§ 2.2-4357 et seq.) of Chapter 43, Virginia Public Procurement Act, of Title 2.2 shall not apply to contracts for equipment, software, services, the printing of ballots or statements of results, or other materials essential to the conduct of the election. The provisions of Articles 4 (§ 2.2-4347 et seq.) and 6 (§ 2.2-4367 et seq.) of Chapter 43, Virginia Public Procurement Act, of Title 2.2 shall apply to such contracts.