Domestic mutual insurers shall be incorporated under the provisions of Article 3 (§ 13.1-818 et seq.) of Chapter 10 of Title 13.1. A foreign insurer may become a domestic insurer under the provisions of Article 10 (§ 13.1-884 et seq.) or Article 11 (§ 13.1-893.1 et seq.) of Chapter 10 of Title 13.1. Except as otherwise provided in this title, domestic mutual insurers shall be subject to all the general restrictions and shall have all the general powers imposed and conferred by law.