Slide the cursor and click on the green dots to see where the Japanese Business were back in the 1930s1940s and where they would be today. The process to doing business with San Bernardino County begins with registering with the online procurement system (ePro).You can register at epro.sbcounty. The documents you need to buy or sell a business depend on the structure (discussed here) and complexity of the deal as well as its specific terms. A premises to premises transfer is the transfer of an existing license to a new location. Definitions Go to our Ownership Entities page to find definitions.