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.
Marking tires of parked cars with chalk is unconstitutional, court rules
Federal Judge Rules Tire Chalking Unconstitutional - WSGW 790 AM & 100.5 FM
Chalking tires is unconstitutional, court declares - FM100.3 - Better Music Better Work Day
Listen: Is that chalk mark on your tire unconstitutional?
Tire chalking for parking enforcement ruled unconstitutional by Ohio-based court
Court in Ohio rules tire-chalking unconstitutional
Chalk this one up to public debate - The Martha's Vineyard Times
Chalking tires to monitor parking is unconstitutional, appeals court rules
Chalking tires' is still allowed in Nebraska
Parking officials can't chalk tires, court rules
Chalking tires for parking enforcement ruled unconstitutional by federal appeals court