1. As used in this section “dealing in investment securities” does not include the purchasing and selling of securities without recourse solely upon order and for the account of customers.
2. Banks shall not engage in the business of dealing in any investment securities, either directly or through subsidiary corporations, except as otherwise provided in chapters 657 to 671, inclusive, of NRS for investment in public securities or private securities.
3. Any provision contained in the articles of incorporation issued to any banking corporation before July 1, 1971, which is in conflict with this section is revoked.