Police use of tire-chalking to enforce parking time limits does not violate the Fourth Amendment . The practice fits within the administrative search and implied consent exceptions to the warrant requirement. Taylor v. City of Saginaw was wrongly decided.
Parking enforcement: Lawyer says marking tires illegal as city refines methods, Region
Tire Chalking Is Legal, at Least Here
Twin Cities not affected by ruling that chalking tires is unconstitutional
Searching for reason when police chalking of cars labeled as trespass
Tire chalking for parking enforcement ruled unconstitutional by Ohio-based court
Judge: Chalking Tires Illegal in Saginaw—But City Still Gets a Big Break
Just Pay the Ticket!: Is Chalking Tires an Unconstitutional Search? - Yale Journal on Regulation
Chalking tires for parking enforcement ruled unconstitutional – Daily Democrat
Lose the Chalk, Officer: Court Finds Marking Tires of Parked Cars Unconstitutional - The New York Times
Chalking tires for tickets still legal in Alabama, despite court ruling
It's a big win,' says attorney in court ruling on chalking tires that began in Saginaw