# Federal Register
1 - 1989.109, 1989.109(a), 1989.109(b), 1989.109(c), 1989.109(d)(1), 1989.109(d)(2), 1989.109(e) - 87:12575-12588 - Procedures for the Handling of Retaliation Complaints Under the Taxpayer First Act (TFA) - PDF
# Regulations
1 - 1989.109 - Decisions and orders of the administrative law judge.