# Commission Decision of 22 September 2006 on amending the Sirene Manual (2006/758/EC), Division 8.1.2: The specific case of alerts on vehicles

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

The following general recommendations have been adopted:
(a) Only one alert per Member State may be entered in the SIS for any one vehicle;
(b) Several Member States may enter an alert on the same vehicle if the alerts are compatible or may coexist;
(c) Within Article 99, alerts on vehicles issued for ‘discreet surveillance’ are incompatible with those issued for ‘specific checks’ (E form).
(d) Article 99 alerts are incompatible with Article 100 alerts.
(e) The Sirene bureau of the Member State issuing an alert shall maintain an alert of any requests to enter a further alert which, after consultation, have been rejected by virtue of the provisions given above, until the alert is deleted.
Table of compatible alerts
Priority by decreasing order of importance
Grounds for alert compatibility
Article 99
Discreet surveillance
Article 99
discrete surveillance
Article 99
Specific check
Article 99
specific check
Article 100
Article 100

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Source: https://www.legislation.gov.uk/eudn/2006/758/annex/1/division/8/division/8.1/division/8.1.2 (the official version)
Page: https://openlegislation.uk/eu-decision-2006-758/annex-1/division-8/division-8.1/division-8.1.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.