The Providers listed on these webpages are Approved IRS Modernized e-File (MeF) Providers; however, they are not part of, nor do they have any special relationship with the Internal Revenue Service. The Providers have passed the IRS Assurance Testing System (ATS) requirements for Software Developers of electronic Partnership (1065 MeF) Returns for Tax Year 2018. Meeting the requirements means that the software can provide correct data in the proper format for processing by IRS systems. It does not mean that a software package includes every possible schedule or attachment, or that it will meet the needs of all filers. It is the filer's responsibility to contact the provider to determine if the software meets their needs. The providers are not listed in any particular order. H&R Block One H&R Block Way, Kansas City, MO 64105, 1-800-HRBLOCK / 1-800-472-5625 CrossLink Professional Tax Solutions, LLC 7575 W Linne Rd, Tracy, CA 95304 (800) 345-4337 CCH, A Wolters Kluwer Business Prosystem FX Tax 9111 E. Douglas, Suite 400, Wichita, KS 67207 (800) 739-9998 Profit Developers Inc. P.O. Box 7280 Port St Lucie, FL 34985 (772) 337-2921 Taxware Systems Inc. 924 W 9th Street, Upland, CA 91786 (800) 877-1065 Thomson Reuters - UltraTax CS 6300 Interfirst Drive, Ann Arbor, MI 48108 (800) 968-8900 Tax Technologies, Inc. 196 Woods Ave, Bergenfield, NJ 07621 (678) 574-2160 TaxAct, Inc. 1425 60th Street NE, Suite 300, Cedar Rapids, IA 52402 (319) 536-3571 Corptax, Inc. 2100 E. Lake Cook Road, Suite 800, Buffalo Grove, IL 60089 (800) 966-1639
