legislation_cosponsors: 119-hr-4242, T000478

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-hr-4242	T000478	Rep. Tenney, Claudia [R-NY-24]	R	NY	2025-06-27	1