Ley 43/2010, de 30 de diciembre, del servicio postal universal, de los derechos de los ususarios y del mercado postal.

This Spanish law establishes the framework for the universal postal service, ensuring that all citizens have access to essential mail and parcel services. It aims to regulate the postal market, protect consumer rights, and ensure service quality and affordability across the country. The law affects postal operators, service providers, and all citizens in Spain who rely on postal services for communication and logistics.