Spanish Tax Authorities’ Technical Guide on Single Administrative Document

• Tax Agency’s Customs and Excise Duties Department offers online customs declaration presentation
• Options available for operators include using a Telecommunications system with EDIFACT standard, web form for export/import declarations, and EDIFACT/CUSDEC file with user certificate
• More information on obtaining and using user certificate can be found on the “Computer Consultations” page
• Status of customs declaration sent online can be checked if received in Customs information system
• Only tax returns filed by the holder of the certificate can be viewed for security purposes

Source: sede.agenciatributaria.gob.es

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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