1. The competent issuing or requesting authority may request an acknowledgement of the receipt of a judicial decision or request referred to in points (a), (c) to (e), (f)(i) and (h) to (l) of Article 62(1) and points (a)(i) and (ii), points (b)(i) to (v) and (vii), (viii) and (ix), and points (c), (d), (f) and (g) of Article 63(1) within 10 days after the end of the transition period where it has doubts as to whether such a judicial decision or request was received by the executing or requested authority before the end of the transition period.

2. In the cases referred to in point (b) of Article 62(1), where the competent issuing judicial authority has doubts as to whether the requested person was arrested pursuant to Article 11 of Framework Decision 2002/584/JHA before the end of the transition period, it may request from the competent executing judicial authority a confirmation of the arrest within 10 days after the end of the transition period.

3. Unless confirmation has already been provided pursuant to the applicable provisions of Union law, the executing or requested authority referred to in paragraphs 1 and 2 shall reply to a request for confirmation of receipt or arrest within 10 days after receiving the request.