Part 1989. PART 1989—PROCEDURES FOR THE HANDLING OF RETAILIATION COMPAINTS UNDER THE TAXPAYER FIRST ACT (TFA)

• SUBPART A [§ 1989.100 - § 1989.105] - Subpart A—Complaints, Investigations, Findings, and Preliminary Orders
• SUBPART B [§ 1989.106 - § 1989.110] - Subpart B—Litigation
• SUBPART C [§ 1989.111 - § 1989.115] - Subpart C—Miscellaneous Provisions