# Federal Register
1 - 1989.111, 1989.111(a), 1989.111(b), 1989.111(c), 1989.111(d)(1), 1989.111(d)(2), 1989.111(e) - 87:12575-12588 - Procedures for the Handling of Retaliation Complaints Under the Taxpayer First Act (TFA) - PDF
# Regulations
1 - 1989.111 - Withdrawal of complaints, findings, objections, and petitions for review; settlement.