You must deliver the vehicle registration to the DMV.
Were both plates stolen?
do not
asked a New York State Police Agency to complete a 'Lost Badge Certification?
Yes
get a printed report on the letterhead of a police agency in the state where the incident occurred
and where should I take the report?
Take the police report to a DMV office to deliver the vehicle registration.
What if you can't get a police report?
Write a statement that includes your license plate number and why you cannot turn in your New York State license plates.
and who should complete the report?