For the purposes of determining whether a Testing Pool Failure has occurred within the 12 -month period referred to in 5.11:   (a) A Testing Pool Failure relating to a late and/or inaccurate filing shall be deemed  to have occurred on the first day of the quarter for which the Athlete  fails to make the required filing; the date the inaccurate filing was discovered following an unsuccessful attempt to test; or in the case of any subsequent inaccurate filing in the same quarter, following notice of the previous inaccurate filing where the Athlete  failed to rectify that Testing Pool Failure by the deadline specified in that notice; and   (b) A Testing Pool Failure relating to unavailability for Testing  in breach of 5.11(c) shall be deemed to have occurred on the date that the Sample  collection was unsuccessfully attempted.