legislation_cosponsors: 117-s-2574, E000295

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
117-s-2574	E000295	Sen. Ernst, Joni [R-IA]	R	IA	2021-07-30	1