Article 11 6.

Where the addressee cannot comply with its obligation to preserve the requested data because of a de facto impossibility due to circumstances not attributable to the addressee, the addressee shall, without undue delay, inform the issuing authority referred to in the EPOC-PR explaining the reasons for such de facto impossibility, using the form set out in Annex III. Where the issuing authority concludes that such impossibility does exist, it shall inform the addressee that the EPOC-PR no longer needs to be executed.