I may be wrong, but I believe if you show proof to your mortgage broker, they can send it to the credit bureaus and request a re-score within 72 hours or so. That is what my broker told me. Either way, if you call the credit bureaus and request them to update your file on the loan they should follow up with the loan company and do it within about 30 days or less. I just would not wait on the loan company as some places don't update regularly.