gti
d21a9d1140
git-subtree-dir: fiscal git-subtree-mainline:d95165fc8fgit-subtree-split:102ba84500
20 lines
1.2 KiB
Markdown
20 lines
1.2 KiB
Markdown
# Fiscal Data Foundation V1
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## Goal
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Provide independently versioned, official fiscal datasets for the Hub without determining taxes for products.
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## Dataset lifecycle
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Each domain runs independently: official download, raw SHA-256, versioned parser, structural validation, `PENDING` import, semantic/volume validation, then `ACTIVE` promotion. A parser failure records `FAILED` and `failure_reason`; the previous `ACTIVE` version remains queryable. No secondary source can promote a canonical dataset.
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Every version records `domain`, `source_url`, `downloaded_at`, `raw_sha256`, `parser_version`, `effective_from`, `effective_to`, `record_count`, `status`, `failure_reason`, and `raw_payload_reference` when retention is allowed.
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## Domains
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Existing NCM/Siscomex and CEST/CONFAZ remain intact. New isolated importers cover BA ST/MVA, CFOP, ICMS CST/CSOSN/origin, PIS/COFINS, TIPI/IPI, RTC, FCP, and monophase ICMS/ANP. Each has a normalized operational table only when queried by Hub consumers.
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## Verification
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Parser tests prove fail-closed behavior and independent lifecycle behavior. The final smoke reads only `ACTIVE` versions and produces the dataset matrix. This mission does not classify products or propose tax fields.
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