The 2026 Selectividad (PAU) will incorporate a significant reinforcement of control mechanisms with the implementation of radio frequency detectors and the approval of a new agreement on the regulation of fraudulent conduct and sanctions. The device, promoted by the Ministry of Education and Universities and the UIB, will be applied during the tests scheduled for June 2, 3, and 4, 2026, and establishes a system of measures ranging from reprimands to the total invalidation of the call in the most serious cases.