- Spanish fiscalization rules require certain digital documents to include a unique “hash” or digital footprint.
- The hash requirement applies to all records from Computer Billing Systems (SIF), including billing, registration, and cancellation records.
- Non-verifiable systems that generate event logs must also include a hash for those logs.
- The hash serves as a digital seal to detect any tampering or manipulation of records.
Source: fiscal-requirements.com
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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