Doe one or both of the apportioned plates remain?
Both of the apportioned plates are remaining and I need to know what I should do with them when I receive my new apportioned plates.
If one or both of the apportioned plates remain, you must send in the apportioned plate and your old cab card within 30 days after you receive your new apportioned plates.  Failure to return your license plates can result in suspension of your IRB account.  The IRB will issue new apportioned plates that have a different number along with a new matching cab card.
What should I do if my apportioned plates are lost or stolen?
Have both apportioned plates been lost or stolen?
I believe they were stolen, yes.
If both apportioned plates are lost or stolen, get from Report of Lost or Stolen Motor Vehicle Items MV-78B from a police agency.  Also get the same form if your items were lost because of a crime.  Your items will be replaced at no fee if the form shows the items were lost because of a crime.
How do I apply to replace IPR registration items at the DMV?
You can apply to replace IPR registration items at the Customer Service CounterRoom in Albany.
What is the address of the Customer Service CounterRoom?
It is located at 136 Swan Street Building, Empire State Plaza in Albany, NY.
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