# Council Decision of 23 September 2013 on the security rules for protecting EU classified information (2013/488/EU), Division 15: For Secured Areas:

Extent: E+W+S+N.I.

(a) a visibly defined and protected perimeter shall be established through which all entry and exit are controlled by means of a pass or personal recognition system;
(b) unescorted access shall be granted only to individuals who are security-cleared and specifically authorised to enter the area on the basis of their need-to-know; and
(c) all other individuals shall be escorted at all times or be subject to equivalent controls.

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Source: https://www.legislation.gov.uk/eudn/2013/488/annex/II/division/IV/division/15 (the official version)
Page: https://openlegislation.uk/eu-decision-2013-488/annex-II/division-IV/division-15
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.