1. Where it is for technical reasons temporarily not feasible to apply the monitoring plan as approved by the competent authority, the regulated entity concerned shall apply the highest achievable tier or, except for the scope factor, a conservative no-tier approach if application of a tier is not achievable, until the conditions for application of the tier approved in the monitoring plan have been restored.

The regulated entity shall take all necessary measures to allow the prompt resumption of the application of the monitoring plan as approved by the competent authority.

2. The regulated entity concerned shall notify the competent authority of the temporary change referred to in paragraph 1 to the monitoring methodology without undue delay to the competent authority, specifying:

(a) the reasons for deviating from the monitoring plan as approved by the competent authority;

(b) the details of the interim monitoring methodology that the regulated entity is using to determine the emissions until the conditions for the application of the monitoring plan as approved by the competent authority have been restored;

(c) the measures the regulated entity is taking to restore the conditions for the application of the monitoring plan as approved by the competent authority;

(d) the anticipated point in time when application of the monitoring plan as approved by the competent authority will be resumed.