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BR-DE-9BT-53
input
The buyer post code is missing
The `Buyer post code` element (BT-53) must be provided.
Only the issuer holds this value: Factlint reports it and never fabricates it. Test your invoice to find out whether it is affected.
Why this error happens
The mirror of BR-DE-4, on the buyer's side. A foreign customer captured without a post code — because the form does not use one for their country — triggers this rule even though the address is correct.
How to fix it
Complete the customer record. Factlint reports it as `needs_input` and never fabricates a default value.