What actions are prohibited for the provider according to Article 19?
The provider is prohibited from concealing the commodity, refraining from selling it, or not providing the service to the consumer for the purpose of controlling the price, monopolizing the commodity, or obliging the consumer to purchase certain quantities of the commodity. Additionally, the provider is prohibited from adding certain terms for using the service or selling a commodity or another service with it, or charging a price higher than the declared price. This is prescribed by the Executive Regulation of this Law.