When a case is referred to the Investigating Chamber on the basis of Article 173 or Article 221-3, all pleas alleging the invalidity of the proceedings referred to it must, without prejudice to its right to raise them of its own motion, be submitted to it. Failing this, the parties shall no longer be entitled to raise them, except in cases where they could not have been aware of them.
The Investigating Chamber shall decide whether the annulment should be limited to all or part of the acts or documents of the vitiated proceedings or extend to all or part of the subsequent proceedings and shall proceed as provided for in the third paragraph of Article 206.
The annulled acts or documents shall be removed from the information file and filed at the registry of the Court of Appeal. The acts or documents of the proceedings that have been partially annulled shall be cancelled after a certified copy of the original has been drawn up, which shall be filed at the registry of the court of appeal. It is forbidden to draw any information against the parties from the annulled acts and documents or parts thereof, on pain of disciplinary proceedings for lawyers and magistrates.