legislation_cosponsors: 118-s-613, L000577

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
118-s-613	L000577	Sen. Lee, Mike [R-UT]	R	UT	2023-03-01	1