legislation_cosponsors: 119-hr-6997, L000566

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-hr-6997	L000566	Rep. Latta, Robert E. [R-OH-5]	R	OH	2026-03-03	0