# The Planning (Hazardous Substances) Regulations 2015, Paragraph 19: Interpretation of this Schedule


In this Schedule—
“establishment period” means the period of 12 months ending on—
(a)the commencement date; or
(b)(if later) the date on which hazardous substances consent was first required for the relevant substance;
“relevant minor change” means a change to the quantity or type of hazardous substances present on, over or under land in relation to which there is a hazardous substances consent, where hazardous substances consent would be required for that change but for this regulation;
“safety hazard change” means a change to an area notified to a local planning authority by the Health and Safety Executive or the Office of Nuclear Regulation for the purposes of paragraphs (e) or (f) of the Table in Schedule 4 to the Town and Country Planning (Development Management Procedure) (England) Order 2015 , where that change results in—
(a)that area encompassing any area which it did not previously encompass; or
(b)where the notification of that area included the identification of zones within that area corresponding to levels of risk, the expansion of any such zone.

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Source: https://www.legislation.gov.uk/uksi/2015/627/schedule/2/paragraph/19 (the official version)
Page: https://openlegislation.uk/planning-hazardous-substances-regulations-2015/schedule-2/paragraph-19
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.