legislation_cosponsors: 116-hr-6535, M001190

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
116-hr-6535	M001190	Rep. Mullin, Markwayne [R-OK-2]	R	OK	2020-04-17	1