1.Each operator shall regularly check whether the monitoring methodology applied can be improved.

An operator of an installation shall submit to the competent authority for approval a report containing the information referred to in paragraph 2 or 3, where appropriate, by the following deadlines:

(a) for a category A installation, by 30 June every 5 years;

(b) for a category B installation, by 30 June every 3 years;

(c) for a category C installation, by 30 June every 2 years.

However, the competent authority may set an alternative date for submission of the report, but no later date than 30 September of the same year.