legislation_cosponsors: 100-hr-4063, D000267

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-hr-4063	D000267	Rep. Derrick, Butler C. [D-SC-3]	D	SC	1988-03-02	1