If you are looking to buy commercial real estate, or any real estate for that matter, you can expect to go through quite a stringent identification process that verifies your identification. You will need to provide various documentation regarding your funds and transactions to ensure that their origins are legal.
Before your property investment can take place, a real estate agent will have to verify the source of your funds. This is why it is important to have all your financial documentation in order.
In some cases, a real estate agent will need to establish the source of the funds for the transaction and source of wealth (i.e. how those funds got there in the first place and how that money was obtained).