# Attribution and license notice

Source: Sejm committee full transcripts ("pelny zapis przebiegu posiedzenia"),
Kancelaria Sejmu RP, https://api.sejm.gov.pl/ -
`GET /sejm/term{n}/committees/{code}/sittings/{num}/pdf`, terms 9-10.

Official parliamentary materials are excluded from copyright by art. 4(2) of the
Polish Copyright Act (https://eli.gov.pl/api/acts/DU/2025/24/text/O/D20250024.pdf);
reuse is governed by the Polish Open Data and Reuse of PSI Act, arts. 2(12), 5, 6,
14, 15, 17 (https://eli.gov.pl/api/acts/DU/2023/1524/text.html). No upstream
Creative Commons grant is claimed. Per-record `source_url` and `content_sha1` in
`sejm_committee_transcripts.attribution.jsonl` pin the exact API PDF endpoint and
transcript fingerprint.

Preparation: Piotr Styla with AI assistance. Changes: `pdftotext -layout`
extraction, page-furniture removal, role-anchored speaker-turn reconstruction,
soft-hyphenation joining, whitespace normalization, joint-sitting and exact-turn
deduplication, pattern-based PII redaction (e-mail, checksum-valid
PESEL/NIP/REGON, labelled phone/fax, IBAN). Not complete anonymization - a
SlayerLab/NERGAL pass is required before release. No endorsement by the
Kancelaria Sejmu RP is implied.