legislation_cosponsors: 103-hr-4086, B000287

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
103-hr-4086	B000287	Rep. Becerra, Xavier [D-CA-30]	D	CA	1994-06-08	0