Article 28U.K.Limitation of scope
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:
(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;
(b)
the monitoring plan is not approved by the competent authority;
(c)
the monitoring plan does not provide sufficient scope or clarity to conclude on the verification;
(d)
the operator or aircraft operator has failed to make sufficient information available to enable the verifier to carry out the verification.