The verifier may conclude that the scope of the verification referred to in Article 27(1)(c) is too limited in any of the following situations:

1. (a)

   data are missing that prevent a verifier from obtaining the evidence required to reduce the verification risk to the level needed to obtain reasonable level of assurance;

2. (b)

   the monitoring plan is not approved by the competent authority;

3. (c)

   the monitoring plan does not provide sufficient scope or clarity to conclude on the verification;

4. (d)

   the operator or aircraft operator has failed to make sufficient information available to enable the verifier to carry out the verification.