Number: 98-279 Title: Sponsorship and Cosponsorship of Senate Bills Authors: Betsy Palmer, Government and Finance Division Abstract: A Senator who introduces a bill or other measure in the Senate is called its sponsor. Senators may together submit a bill, but the first- named Senator is considered the chief sponsor. The others are considered cosponsors. A bill can have only one chief sponsor. Pages: 2 Date: November 25, 2008