When can i apply a new driver license without the ignition interlock restriction?
You can apply for a new document when your ignition interlock monitor give you a form that states that you do not need the device anymore. You need to take this form to a local DMV office to apply.
Could i get convicted under the Leandra's Law even if the child is already 16 years old this year but still not yet reach his or her birthday?
Yes the Leandra's Law still applied under those conditions.