Ley Orgánica 7/2021, de 26 de mayo, de protección de datos personales tratados para fines de prevención, detección, investigación y enjuiciamiento de infracciones penales y de ejecución de sanciones penales.

This organic law establishes rules for processing personal data for criminal investigations and enforcing criminal sanctions. It aims to balance public safety with individual privacy rights in Spain. It affects law enforcement agencies, judicial authorities, and individuals whose data is processed for these purposes. The law ensures data protection standards are met during criminal proceedings.