legislation_cosponsors: 99-hr-5563, M000195

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
99-hr-5563	M000195	Rep. Martin, Lynn M. [R-IL-16]	R	IL	1986-09-19	1