CFR › Title 29 › Part 1989Part 1989 — Procedures for the Handling of Retaliation Complaints Under the Taxpayer First Act (TFA)Subpart A — Complaints, Investigations, Findings, and Preliminary Orders§ 1989.100— Purpose and scope.§ 1989.101— Definitions.§ 1989.102— Obligations and prohibited acts.§ 1989.103— Filing of retaliation complaint.§ 1989.104— Investigation.§ 1989.105— Issuance of findings and preliminary orders.Subpart B — Litigation§ 1989.106— Objections to the findings and the preliminary order and requests for a hearing.§ 1989.107— Hearings.§ 1989.108— Role of Federal agencies.§ 1989.109— Decisions and orders of the administrative law judge.§ 1989.110— Decisions and orders of the Administrative Review Board.Subpart C — Miscellaneous Provisions§ 1989.111— Withdrawal of complaints, findings, objections, and petitions for review; settlement.§ 1989.112— Judicial review.§ 1989.113— Judicial enforcement.§ 1989.114— District court jurisdiction of retaliation complaints.§ 1989.115— Special circumstances; waiver of rules.