legislation_cosponsors: 117-s-1106, P000449

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
117-s-1106	P000449	Sen. Portman, Rob [R-OH]	R	OH	2021-04-13	1