legislation_cosponsors: 101-hconres-294, B000657

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
101-hconres-294	B000657	Rep. Boucher, Rick [D-VA-9]	D	VA	1990-03-29	1