Yes, you can apply for escort driver certification at a DMV office.
Do you know how to tell if an office offers the certification test?
I don't.
What could happen if I get a violation of my escort vehicle certification?
You could be subject to fines and penalties depending on the nature of the violation.
Can I drive an escort vehicle in NY state with an escort vehicle driver certification from another state?
No, you can't. You need a valid NY State Certified Vehicle Escort Card MV-64 to drive an escort vehicle in NY State
And what are the fees for the vehicle escort test?
the fee for taking the test is 40$, and there are no additional fees for the initial certification.
When is it mandatory to have an escort driver certification?