legislation_cosponsors: 115-hconres-77, W000187

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-hconres-77	W000187	Rep. Waters, Maxine [D-CA-43]	D	CA	2017-09-01	0