Real Decreto 538/2015, de 26 de junio, por el que se regula la realización de estudios, informes y análisis comparativos sobre productos alimenticios.

This Spanish royal decree establishes the rules for conducting comparative studies, reports, and analyses of food products. It aims to ensure that such comparisons are objective, transparent, and based on scientific evidence to prevent misleading information from reaching the public. This affects companies and organizations that perform food quality testing and comparative marketing. It ensures consumers receive accurate information when comparing different food products on the market.