legislation_cosponsors: 116-hr-4540, P000604

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
116-hr-4540	P000604	Rep. Payne, Donald M., Jr. [D-NJ-10]	D	NJ	2019-12-05	0