legislation_cosponsors: 113-sres-246, E000285

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
113-sres-246	E000285	Sen. Enzi, Michael B. [R-WY]	R	WY	2013-09-19	1