skip navigation

Search Help
Navigation Help
Topic Index
ABCDEFGHI
JKLMNOPQR
STUVWXYZ#
FAQs
Forms
Publications
Tax Topics
Comments
About Tax Map
IRS.gov Website
Competent Authority Assistance
menu link iconPublications
Principal Publications Publications
horizontal rule
Links Inside Publications
Publication 54 - Tax Guide for U.S. Citizens and Resident Aliens Abroad - Competent Authority Assistance
Competent Authority Assistance. If you are a U.S. citizen or resident alien, you can request assistance from...
Publication 597 - Information on the United States-Canada Income Tax Treaty - Competent Authority Assistance
Competent Authority Assistance. Under Article XXVI, a U.S. citizen or resident may request assistance from...
Related Topic Links
related topicTax Treaty