legislation_cosponsors: 119-hr-227, L000595

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-227	L000595	Rep. Letlow, Julia [R-LA-5]	R	LA	2025-09-18	0