- Dutch Customs Codebooks consultation method changes from October 1, 2025 with new website kennisbank.douane.nl replacing the old Belastingdienst site
- Old website will stop updating from October 1 but remain accessible temporarily while becoming increasingly outdated compared to current information
- Codebook sections and formats remain the same including web pages, PDF and XML downloads, with new JSON format available only for codebooks from October 1, 2025 onwards
- URL structure becomes dynamic using date format yyyyMMdd in the path, with files available from 23:00 hours for the next day instead of current 7:00 morning availability
- Codebook names stay largely the same but with detail changes in capitalization, covering sections like General, Import, ECS Export, Transit, Declaration Processing and others
Source: nh.douane.nl
Note that this post was (partially) written with the help of AI. It is always useful to review the original source material, and where needed to obtain (local) advice from a specialist.
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