Financial institutions generally don't want examiners to stay any longer than necessary, but for the largest U.S. banks, shooing the examiner out hasn't been an option since 1997 when the resident examiner program began.
During Thomas Flattery's 14 years as a Federal Reserve examiner, he found that some of his biggest battles weren't with banks, but with on-site regulators helping the institution avoid an honest assessment of its programs. Flattery spoke recently about his experiences and the current state of exams.