legislation_cosponsors: 100-hconres-15, B000229

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
100-hconres-15	B000229	Rep. Bateman, Herbert H. [R-VA-1]	R	VA	1987-03-10	0