What is a TBD? To Be Determined Property. An UW can issue a Credit PreQualification on a purchase credit package when the borrower is still looking for a property. Loan Originators can follow these TBD Workflow Retail steps to properly set up a TBD file for Processing. The TBD milestone path is a DIFFERENT milestone path. You will know you are in the correct milestone path because you will have a Credit Prequal milestone available for the UW to complete. Click on the hyperlink above to access the TBD Workflow Retail - Loan Originator.