legislation_cosponsors: 119-hres-554, N000193

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-hres-554	N000193	Rep. Nunn, Zachary [R-IA-3]	R	IA	2025-06-27	1