legislation_cosponsors: 118-sres-404, W000800

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-sres-404	W000800	Sen. Welch, Peter [D-VT]	D	VT	2023-10-04	1