legislation_cosponsors: 119-hres-366, T000472

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-366	T000472	Rep. Takano, Mark [D-CA-39]	D	CA	2025-04-30	1