There is no national registry or any sort of legal paperwork that proves the dogs are actual service dogs. 

Québec has MERN (their land registry); Ontario has a similar portal, but I believe you have to pay for access there.  

(Most people just use credit cards now and don't carry around too much cash or a check book)But in a software program, any time you make a deposit into a checking account or write a check, it will be inserted into a Check Registry that keeps tabs on deposit and withdrawals  that you make from a certain bank or all banks that you use in QuickBooks. 

TC charges $19.95 for a background check that includes credit score, evictions, criminal, sex offender registry). 

Also, ALWAYS check your local Deeds Registry on any property you are considering if there are any other liens on the property – not just for the bank.

I have examined numerous documents in the registry of deeds and there are many lending companies and banks that are mentioned including such terms as trustees, etc.

Newmarket has had second suite registry for many many years.

Answer: the land registry in your county.

Both the Vet report and the Professional's request do not have to be accepted if they are not verifiable, or printed from some "Registry" online.

There isnt a registry or anything.