Before promulgating any general order, rule, or regulation, the Commission shall give reasonable notice of its contents and shall afford interested persons having objections thereto an opportunity to present evidence and be heard. Every such order and notice of every such rule or regulation finally adopted by the Commission shall be published in the next annual report of the Commission, and a copy of the order, rule or regulation shall be delivered by the Commission to every person affected by it who requests a copy and copies shall be available to the public by application therefor to the Commission. This section shall control in the event it is deemed inconsistent with other provisions of law. Before the Commission shall enter any finding, order, or judgment against any person, it shall afford such person reasonable notice of the time and place at which he shall be afforded an opportunity to introduce evidence and be heard.