legislation_cosponsors: 115-hr-6400, K000362

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-hr-6400	K000362	Rep. King, Steve [R-IA-4]	R	IA	2018-07-24	0