Filing Window Envelopes

ExacTax provides filing window envelopes and estimate/payment voucher envelopes with original returns and when an amended return is added on a rerun. Otherwise, envelopes are not provided on return reruns.


If you would like to order the large window filing envelopes go to formscs.com or call 800-909-1850.




CENVFC for the regular seal (you lick) or


SENVFC for self-seal.


RDE users can click on the Forms CS link on the UltraTax home page.           


Our offices are located at the intersection of Orangethorpe Ave and Raymond Ave:

Street Address:

1100 E. Orangethorpe Ave., Suite 100

Anaheim, CA 92801-1160

P.O. Box Address:

P.O. Box 61048

Anaheim, CA 92803-6148

All mail except for Express Mail should be sent to our P.O. Box address above.

Express Mail to ExacTax
When sending packages to ExacTax via Express Mail, DO NOT send it to our P.O .Box; this will delay delivery by two days.
Always send Express Mail to our street address above.

Phone Numbers

Local Main Number: (714) 284-4802
Toll-Free Main Number: (844) 327-6740
General Fax: (714) 254-7210
eFile Authorization Voice Message: (714) 254-7228
eFile Authorization Fax (1): (714) 853-1704
eFile Authorization Fax (2): (714) 853-1706

operating hours

Office hours are currently Monday – Friday, 8:30 AM – 5:00 PM Pacific Time.

Beginning February 1 extended hours will be M-F, 8:00 AM – 6:00 PM Pacific Time.

Saturday office hours will commence February 6 from 8:30 AM – 5:00 PM Pacific Time.




To ensure that your returns are delivered to your office or are available for pick-up at the Anaheim center by Wednesday, April 15, 2020 returns must be in the Anaheim office on or before the dates and times listed below based on your location.


Southern California


Northern California and All Other Areas

Per Publication 4163, Modernized E-file (MeF) business returns have a "perfection period" of 10 days from the date of rejection which is not an extension of time to file; this is the period to correct errors in the e-file.