legislation_cosponsors: 106-s-1796, M000019

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
106-s-1796	M000019	Sen. Mack, Connie, III [R-FL]	R	FL	1999-10-26	1