Branch out from 1099 campaign: We Built GL workfile, how to fix Tax ID without rebuilding?

We have built our GL workfile and now realize that we have to revise a supplier's tax ID. We do not want to rebuild the GL workfile because we also have a custom UBE that writes to F045141 and so would have to reprocess the custom UBEs if the GL workfile is cleared when rebuilding. This is time consuming. What process would you recommend following to update the taxpayer ID at this point for print media and electronic files to reflect the correct taxpayer ID?. Should I request our DBA perform a SQL update, and if so, to which files