# Federal Register
1 - 1989.102(a) - 88:15271-15274 - Procedures for the Handling of Retaliation Complaints Under the Taxpayer First Act (TFA) - PDF
2 - 1989.102(a) - 87:12575-12588 - Procedures for the Handling of Retaliation Complaints Under the Taxpayer First Act (TFA) - PDF
# Regulations
1 - - Obligations and prohibited acts.