legislation_cosponsors: 109-s-2075, C001040

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
109-s-2075	C001040	Sen. Chafee, Lincoln [R-RI]	R	RI	2005-12-13	0