legislation_cosponsors: 106-hconres-252, M000212

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
106-hconres-252	M000212	Rep. Mascara, Frank [D-PA-20]	D	PA	2000-05-19	0