Breaking advertising codes refers to the act of deliberately disregarding or violating established rules and regulations set by advertising authorities or organizations. This can include using deceptive or misleading tactics, making false claims, or promoting products or services in a way that is deemed unethical or inappropriate. Breaking advertising codes is often done in an attempt to gain an unfair advantage over competitors or to manipulate consumers into making a purchase. It can result in penalties or legal action being taken against the advertiser.