The New York State Department of Motor Vehicles DMV regulates all repair shops , inspection stations , dealers , vehicle dismantlers and other related businesses in New York
you want to know how to legally operate as such a business
not
Unfortunately, no relevant information is found.
but what would be the requirements?
you must register with the DMV . Once your application is approveds  you will receive a certificate from the DMV
ok I already have them, however before sending my request, what if I don't have an authority certificate?
Wait. I understand that you don't have a Certificate of Authority?
Yes, i do not have that yet. Is there a problem?
In fact, there is. If you are lacking that document, then please do not submit your application to us yet.
Oh, o.k, didn't know that was such a deal. I'll have to get it then. Anyway, do you have any other channel for information?