Mortgage Identification Number (MIN) is a unique 18 number assigned to the systems registered loans.
The first 7 numbers are usually the party that generated the MIN.
The second 10 numbers is either a loan number or a sequential number. It’s up to the member to decide that generates the MIN, what they are.
The final number is a check digit.
Then there’s an algebraic formula that creates it based on the prior numbers.
There you have it.

If you wish to know more on MERS please visit MERS 101
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IF the first 7 numbers are usually the party that generated the MIN.
Then we need a decode list of MIN numbers to MERS members.
If we had a big enough sample of notes maybe we could decode the MERS MIN numbers to depositing MERS member numbers, or maybe a table of such could be requested in discovery.
Is the person holding he note, when it is registered with MERS, inportant to your chain of custody.
That way we can see who deposited the document into MERS, was it the party named on the mortgage, the trust, or some other entity.
At what point did the MERS number get applied to the note ?
Does ADDING stuff to a note AFTER it was executed, (other than an endorsement), invalidate the integrity of the note?
Good questions. But The first 7 numbers are usually the warehouse lenders (originating brokers) that created the accounts I believe.
As far as these numbers go they have no relation to the Real Owners for example: This is the only one I have below
New York Mellon which was org ID 1579
I found a MIN for me related to a CW investor with BofA as servicer. However, I found no MINs related to the address of the collateral real estate. What gives?