legislation_cosponsors: 110-hr-3796, S001170

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
110-hr-3796	S001170	Rep. Shea-Porter, Carol [D-NH-1]	D	NH	2007-10-10	1