# Commission Decision of 22 September 2006 on amending the Sirene Manual (notified under document number C(2006) 4094) (Only the Czech, Dutch, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Latvian, Lithuanian, Maltese, Polish, Portuguese, Slovak, Slovenian, Spanish, and Swedish texts are authentic) (2006/757/EC), Division 1.2: The Sirene bureau

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

The SIS operates on the principle that the national systems cannot exchange computerised data directly between themselves, but instead only via the central system (C.SIS)
However, it is necessary for the Schengen Member States to be able to exchange supplementary information required for implementing certain provisions laid in the convention, and for the SIS to function properly, either on a bilateral or multilateral basis.
To meet the operating constraints set out in the convention, every Schengen Member State has to establish a central authority as a single contact point for exchanging supplementary information related to SIS data. This contact point, which is referred to as Sirene bureau, has to be fully operational on a 24/7 basis.

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Source: https://www.legislation.gov.uk/eudn/2006/757/annex/1/division/1/division/1.2 (the official version)
Page: https://openlegislation.uk/eu-decision-2006-757/annex-1/division-1/division-1.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.