legislation_cosponsors: 110-hr-2291, F000450

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-2291	F000450	Rep. Foxx, Virginia [R-NC-5]	R	NC	2007-05-16	0