We have a line of credit secured by existing 1-4 family residences. The purpose will be to buy and resale existing 1-4 family properties for resale. Would the call code be 1c1?

If the line above secured by existing 1-4 family properties, but the purpose was for constructing new 1-4 family properties, would the call code be 1a1?

If the line above secured by existing 1-4 family properties, but the purpose was for improving existing 1-4 family properties, would the call code be 1a1?