Revocation ProcessStart HereSend taxpayer warning Letter 6229Decision 1Taxpayer is cooperative?If yes, go to Process 1If no, go to Process 2Process 1Continue with ExamProcess 2Send taxpayer warning Letter 6230Decision 2Taxpayer is cooperative?If yes, go to Process 1If no, go to Process 3Process 3Send request to revoke disclosure acceptance to Criminal Investigation.Decision 3Revocation Request Approved by Criminal Investigation?If yes, go to Process 4If no, go to Process 5Process 4Criminal Investigation sends taxpayer Notice of Revocation.Process 5Field continues to develop case with potential for scope expansion.EndThis is the end of the flowchart.