BROOKLYN - (AP) - New York City livery cabs and limousines will have to show their bona fides under new rules designed to crack down on unlicensed livery drivers.

The Taxi & Limousine Commission voted Thursday to require thecity's 40,000 approved car-service cars and limos to displayspecial permit stickers on their windows. Their drivers will haveto display their TLC licenses inside the car.

The rules could be implemented as soon as this summer, providedthey aren't changed after a two-week comment period.

TLC officials and driver advocates say the measures will helppassengers avoid rogue drivers with rundown vehicles and keep themfrom siphoning off legitimate cabbies' fares.

Drivers of the city's famous yellow cabs already must displaytheir licenses.