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legislation_cosponsors: 119-s-2859, K000393

Cosponsors for tracked legislation. Distinguishes original cosponsors (signed on at introduction) from later additions. Linked to congress_members via bioguide_id.

This data as json

bill_id bioguide_id full_name party state sponsorship_date is_original_cosponsor
119-s-2859 K000393 Sen. Kennedy, John [R-LA] R LA 2025-09-18 1
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