legislation_cosponsors: 106-s-1473, B000243

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
106-s-1473	B000243	Sen. Baucus, Max [D-MT]	D	MT	1999-09-23	0