# The National Park Authorities (England) Order 2015, Paragraph 3


(1) An extraordinary meeting of the authority may be called at any time by—
(a) the chair of the authority;
(b) the deputy chair of the authority, if the office of chair is vacant; or
(c) the National Park officer, if the offices of chair and deputy chair are both vacant.
(2) Any five members of the authority may call an extraordinary meeting immediately if the chair, deputy chair or National Park officer (as the case may be) refuses to call such a meeting after a requisition has been presented to that person for that purpose.
(3) Any five members of the authority may call an extraordinary meeting after the period of seven days starting with the date on which a requisition is presented to the chair, deputy chair or National Park officer (as the case may be) if, without refusing to do so, that person has not called a meeting within that period.
(4) In this paragraph “requisition” means a document which—
(a) specifies the nature of important or urgent business; and
(b) is signed by five members of the authority.

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Source: https://www.legislation.gov.uk/uksi/2015/770/schedule/2/paragraph/3 (the official version)
Page: https://openlegislation.uk/national-park-authorities-england-order-2015/schedule-2/paragraph-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.