legislation_cosponsors: 100-sjres-342, B000780

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-sjres-342	B000780	Sen. Breaux, John B. [D-LA]	D	LA	1988-07-06	0