Please note: The algorithm descriptions in English have been automatically translated. Errors may have been introduced in this process. For the original descriptions, go to the Dutch version of the Algorithm Register.

Corporate networks Seveso

The algorithm semi-automatically links the list of companies covered by the Seveso Directive to a relationship file of the RDI. Based on this link, it becomes clear which Seveso companies have one or more land mobile frequency use licences and are eligible for inspection.

Last change on 20th of April 2026, at 9:49 (CET) | Publication Standard 1.0
Publication category
Other algorithms
Impact assessment
Field not filled in.
Status
In use

General information

Theme

Space and Infrastructure

Begin date

02-2025

Contact information

www.rdi.nl/contact

Link to publication website

https://www.rijksoverheid.nl/onderwerpen/certificaten-keurmerken-en-meetinstrumenten/metrologie

Responsible use

Goal and impact

The purpose of the algorithm is to enable information-driven and risk-oriented supervision of licences issued under the Telecommunications Act for land mobile frequency use. Part of this supervision focuses on Seveso companies. The algorithm links Seveso companies to an internal relationship file of the RDI that contains information on licence holders. Based on this link, it becomes clear which Seveso companies have one or more licences for land mobile frequency use and are therefore eligible for inspection. As this linkage was manually time-consuming, inspectors' time can be used more effectively with this algorithm.

Considerations

It is not possible for the RDI to visit all companies licensed for land mobile frequency use every year. The RDI therefore makes targeted choices at which companies it carries out inspections. The RDI focuses supervision on Seveso companies, among others, because the nature of their activities can cause incidents with disruptive consequences for Dutch society. The RDI therefore considers it important that these companies have their frequency use in order. The algorithm helps determine which Seveso companies are eligible for inspection. The algorithm itself has no significant impact on the outcome of the work or inspection process.

Human intervention

The outcome of the algorithm is a periodically updated list of Seveso companies that have one or more licences for land mobile frequency use. RDI inspectors use this list to determine at which Seveso companies they can carry out inspections. In principle, all licensed Seveso companies are eligible for an inspection. The inspection process itself is not affected by the algorithm.

Risk management

It is important to ensure the quality of the algorithm by ensuring that the described linking is done properly. There are no other specific risks associated with the algorithm or its use.

Legal basis

The Telecommunications Act is a Dutch law that sets rules for (providers of) communication networks and services. Among other things, it regulates user protection, providers' duty of care for safety and security and sets obligations for network operators.

Links to legal bases

Telecommunications Act: https://wetten.overheid.nl/BWBR0009950/2025-09-01

Elaboration on impact assessments

As the algorithm is not classified as impactful and does not otherwise use personal data, no specific impact tests were performed.

Operations

Data

The algorithm uses two data sources. The first source is the public Seveso establishments list listing companies covered by the Seveso Directive. This list is updated monthly. The second source is the internal RDI system in which relationship data are recorded.

Links to data sources

Seveso establishments list: https://seveso-plus.nl/inspectieresultaten/seveso-inrichtingenlijst

Technical design

The match between a Seveso company from the public establishment list with an RDI relationship is made on the basis of two variables: postcode and address. A match can be expressed with a score of 100%, but there are also variants of matches with a score of less than 100%. In the latter case, the inspector determines whether a Seveso establishment is matched with an RDI relationship.

External provider

Internally developed

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