legislation_cosponsors: 119-s-3285, C001096

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
119-s-3285	C001096	Sen. Cramer, Kevin [R-ND]	R	ND	2025-12-01	1