legislation_cosponsors: 115-hres-1073, K000380

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
115-hres-1073	K000380	Rep. Kildee, Daniel T. [D-MI-5]	D	MI	2018-09-20	1