Relates to the time frames for certain court filings

This bill sets strict deadlines for filing third-party claims in civil cases. Defendants must file against potentially liable parties within 60 days of answering the plaintiff, with subsequent filers having progressively shorter windows (45, 30, and 20 days). It includes a 120-day exception for workers' compensation claims where liability relates to "grave injury" under workers' compensation law. The bill also extends general service deadlines to 120 days after case commencement, with exceptions for cases governed by short statutes of limitations.