No, you do not need a license plate for a bicycle.
yes but it do not need to be there
No.
a license plate
If there is not an existing plate, you need the title, registration, and valid drivers license.
you need two. A front license plate and a back license plate.
Yes, Idaho requires front license plate.
If you lose a license plate or plates and need the license plate number, you can look up your license plate number even if you no longer physically have your own.
No, you just get a bike and ride it.
you need to go to the license bureau
Yes, in Montana, vehicles are required to have a front license plate displayed.
No you do not need a liscense plate on the fromy of your vehicle in Pennsylvania
You need to purchase a license plate mount. Once that's attached, the plate can be affixed to the mount.