II. Specific provisions
B. Judicial assistance; procedural provisions
Article 16
Postponement of the execution of requests for assistance from the International Criminal Court
(1) The execution of a request for judicial assistance from the International Criminal Court may be postponed :
(a) until there is a decision concerning a challenge of admissibility under articles 17 to 19 of the Rome Statute, unless the International Criminal Court has ordered expressly that the Prosecutor may pursue the collection of evidence pursuant to article 18 or 19 of the Rome Statute;
Postponement - admissibility challenge
EDIT.