Small Business Reading Room

Monday, April 03, 2017

IRS Form 6166 (Certification of U.S. Tax Residency)

Taxpayers can review information on requesting an IRS Form 6166 on the IRS topic page

If your company needs Form 6166, it is probably using it in foreign countries - need IRS Form 6166 authenticated?  Let us help!  Whether you need an Apostille or legalization through an embassy, we want to provide you with the services that make it easier for you to run your business, and we want to do so at a low cost. 

Learn more about Delaware Intercorp’s efficient document authentication service. Call 302-266-9367 or email us.

link to Atom Feed




Delaware Intercorp, Inc.
113 Barksdale Professional center
Newark, DE 19711-3258

"For all the best reasons to incorporate,the best place
is Delaware and the best incorporator is
Delaware Intercorp!"

Call Monday - Friday 09:00 (am) - 17:00 (pm) Eastern Time (GMT-05:00)

Toll Free - USA only - 888.324.1817
International: (1) 302.266.9367
FAX: 302.266.9940