-There is not a deadline for the execution of rogatory letters.
-The decision to recognise and execute the European Investigation Order or, where applicable, to refuse to execute it shall be taken as soon as possible and at the latest within 30 days of its receipt by the competent authority. Where, in a specific case, the competent Spanish authority finds that the time limit for the recognition and enforcement of the order cannot be met, it shall inform the issuing authority without delay, giving the reasons and stating the estimated time needed to take the decision. In this case, the time limit for issuing the decision on recognition and enforcement may be extended up to a maximum of 30 days. The Spanish competent authority shall carry out the execution of the investigative measure without delay and at the latest within 90 days after the adoption of the decision on recognition and enforcement.