A system for generating field values of mortgage forms. The system includes a database, a calculation module, a monitoring module. The database contains jurisdictional tax and fee information used to calculate field values for the mortgage form. The calculation module is configured to calculate field values for the mortgage form and to generate a transaction log for mortgage and related transactions. The monitoring module communicates with the database and identifies when changes in the field values of tax and fee information occur in the transaction log, and report those changes to the affected lender.