1.Where it is for technical reasons temporarily not feasible to apply the tier in the monitoring plan for the activity data or each calculation factor of a fuel or material stream as approved by the competent authority, the operator concerned shall apply the highest achievable tier until the conditions for application of the tier approved in the monitoring plan have been restored.
The operator shall take all necessary measures to allow the prompt restoration of the tier in the monitoring plan as approved by the competent authority.
2.The operator concerned shall notify the temporary change referred to in paragraph 1 to the monitoring methodology without undue delay to the competent authority, specifying:
(a)the reasons for the deviation from the tier;
(b)in detail the interim monitoring methodology that the operator uses to determine the emissions until the conditions for the application of the tier in the monitoring plan have been restored;
(c)the measures the operator is taking to restore the conditions for the application of the tier in the monitoring plan approved by the competent authority;
(d)the anticipated point in time when application of the tier as approved by the competent authority will be resumed.