The competent authorities of the United Kingdom shall use mobile units to carry out external border surveillance between border crossing points and at crossing points outside of normal opening hours.

Fullest possible surveillance of land and sea borders outside authorised border crossing points and in the area behind the border, particularly the border sectors affected by illegal immigration, via the deployment of mobile units.

To facilitate visual surveillance, nationals of the Member States of the European Communities wishing to cross the common border in a motor vehicle may affix to the windscreen a green disc measuring at least eight centimetres in diameter.

With regard to the movement of persons, from 15 June 1985 the police and customs authorities shall as a general rule carry out simple visual surveillance of private vehicles crossing the common border at reduced speed, without requiring such vehicles to stop.

Article 44 to the extent that it does not relate to hot pursuit and cross border surveillance;

the `Landelijk Officier van Justitie` (National Public Prosecutor) responsible for cross-border surveillance.

the ‘Landelijk Officier van Justitie’ (National Public Prosecutor) responsible for cross-border surveillance.

Officers of one of the Contracting Parties who, as part of a criminal investigation, are keeping under surveillance in their country a person who is presumed to have participated in an extraditable criminal offence shall be authorised to continue their surveillance in the territory of another Contracting Party where the latter has authorised cross-border surveillance in response to a request for assistance made in advance.

In accordance with the relevant international agreements and account being taken of local circumstances and technical possibilities, the Contracting Parties shall install, in particular in border areas, telephone, radio, and telex lines and other direct links to facilitate police and customs cooperation, in particular for the timely transmission of information for the purposes of cross-border surveillance and hot pursuit.

The competent authorities shall use mobile units to carry out external border surveillance between crossing points;

(1) The provisions of the Convention implementing the Schengen Agreement of 14 June 1985 on the gradual abolition of checks at common borders fn which concern cross- border surveillance should be amended and their scope broadened with a view to increasing the success of criminal investigations, particularly those concerning offences connected with organised crime.

Fullest possible surveillance of land and sea borders outside authorised border crossing points and in the area behind the border, particularly the border sectors affected by illegal immigration, via the deployment of mobile units.

the authority of the Contracting Party designated under paragraph 5, in whose territory the surveillance is to be continued, must be notified immediately, during the surveillance, that the border has been crossed;

To facilitate visual surveillance, nationals of the Member States of the European Communities wishing to cross the common border in a motor vehicle may affix to the windscreen a green disc measuring at least eight centimetres in diameter.

With regard to the movement of persons, from 15 June 1985 the police and customs authorities shall as a general rule carry out simple visual surveillance of private vehicles crossing the common border at reduced speed, without requiring such vehicles to stop.

The crossing by persons of the external borders of those States which have decided to abolish checks at their internal borders, including the rules and arrangements with which those States must comply when carrying out checks on persons at external borders, surveillance of border areas and cooperation with the services responsible for border control.

Surveillance shall cease as soon as the Contracting Party in whose territory it is taking place so requests, following the notification referred to in (a) or the request referred to in (b) or, where authorisation has not been obtained, five hours after the border was crossed.

to reinforce the effectiveness of controls at border crossing points and surveillance between crossing points.

The provisions of the Convention implementing the Schengen Agreement of 14 June 1985 on the gradual abolition of checks at common borders(1) which concern cross-border surveillance should be amended and their scope broadened with a view to increasing the success of criminal investigations, particularly those concerning offences connected with organised crime.

Officers of one of the Member States who are keeping a person under surveillance in their country as part of a criminal investigation into an extraditable criminal offence because he is suspected of involvement in an extraditable criminal offence or, as a necessary part of a criminal investigation, because there is serious reason to believe that he can assist in identifying or tracing such a person, shall be authorised to continue their surveillance in the territory of another Member State where the latter has authorised cross-border surveillance in response to a request for assistance made in advance with supporting reasons.

developing an information system for the early warning, detection and surveillance of health threats, both on communicable diseases, including with regard to the danger of cross-border spread of diseases (including resistant pathogens), and on non-communicable diseases;