Important Announcement

Due to critical system updates and the Labor Day holiday, the Louisiana Department of Revenue (LDR) will be closed from 2 p.m. on Friday, Sept. 4, 2026, through Monday, Sept. 7, 2026. In addition to the closure of all LDR offices during this period, all online services including electronic tax filing and payments and the Louisiana Taxpayer Access Point (LaTAP) portal will be unavailable as well. All in-person, telephone and online customer service will resume on Tuesday, Sept. 8.

Partnership

Tax Year 2025

Advanced Tax Solutions, LLC
Product Name- MyTaxPrepOffice
1603 Capitol Ave. Suite 310 A254
Cheyenne, WY 82001
https://www.mytaxprepoffice.com/
IT-565
IT-565-2D

Bloomberg Industry Group (Superform)
1801 S. Bell Street
Arlington, VA. 22202
https://pro.bloombergtax.com/spftware/
IT-565

CCH Incorporated (CCH ProSystem FX)
9111 E Douglas Ave., Ste. 300
Wichita, KS 67207
https://engagetax.wolterskluwer.com
IT-565
IT-565-2D
IT-565 Extension Payments

CorpTax (CSC CorpTax)
2100 E Lake Cook Road, Ste. 800
Buffalo Grove, IL. 60089
https://cscglobal.com/service/corptax
IT-565
IT-565-2D
IT-565 Extension Payments

Crosslink Professional Tax Solutions, LLC.
16916 S Harlan Rd.
Lathrop, CA. 95330
Phone: 800-345-4337
https://www.CrossLinkTax.com
IT-565
IT-565-2D
IT-565 Extension Payments

Drake Software, LLC. (Drake Tax)
235 E. Palmer Street
Franklin, NC 28734
http://www.drakesoftware.com
IT-565
IT-565-2D
IT-565 Extension Payments

Instead, LLC. (Instead)
515 Folsom 2nd Floor
San Francisco, CA. 94105
https://www.instead.com/
IT-565
IT-565-2D
IT-565 Extension Payments

Intuit Lacerte
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040 (Sales)
https://accountants.intuit.com/tax-software/lacerte/
IT-565
IT-565-2D


Intuit ProTax Connect Online
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040 (Sales)
https://accountants.intuit.com/tax-software/tax-online/
IT-565

Intuit ProSeries Business
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040 (Sales)
https://proconnect.intuit.com
IT-565
IT-565-2D

Intuit TurboTax Business
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040 (Sales)
https://proconnect.intuit.com
IT-565

On-line Taxes (OLT Pro Desktop)
724 Jules Street
Saint Joseph , MO 64501
http://www.OLTPRO.com
IT-565
IT-565-2D

On-line Taxes (OLT Pro Web)
724 Jules Street
Saint Joseph , MO 64501
http://www.OLTPRO.com
IT-565

Tax Technologies, Inc. (Tax Series)
196 Woods Ave.
Bergenfield, NJ. 07621
Phone: 866-239-4884 (Sales)
http://www.taxtechnologies.com
IT-565 Extension Payments

TaxAct
3200 Olympus Blvd., Ste. 150
Coppell, TX. 75019
Phone: (319)373-3600
http://www.TaxACT.com
IT-565
IT-565-2D

TaxSlayer
945 Broad St.
Augusta, GA. 30901
Phone: 706-868-0985
http://www.TaxSlayer.com
IT-565
IT-565-2D

Taxware Systems Inc (Wintax-1040)
195 N Euclid Ave.
Upland, CA 91786
http://www.taxwaresystems.com
IT-565

Thomson Reuters (EForm)
6160 Warren Pkwy.
Frisco, TX. 75034
Phone: 800-968-8900 (Sales & Support)
http://www.thomsonreuters.com
IT-565-2D

Thomson Reuters (GoSystem)
6160 Warren Pkwy.
Frisco, TX. 75034
Phone: 800-968-8900 (Sales & Support)
http://www.thomsonreuters.com
IT-565
IT-565-2D
IT-565 Extension Payments

Thomson Reuters (UltraTax CS)
6160 Warren Pkwy.
Frisco, TX. 75034
Phone: 800-968-8900 (Sales & Support)
http://www.thomsonreuters.com
IT-565
IT-565-2D
IT-565 Extension Payments

Universal Tax Systems, Inc. (TaxWise)
225 Chastain Meadows Ct. NW, Ste. 300
Kennesaw, GA. 30144
https://www.https://www.wolterskluwer.com/en/solutions/atx
IT-565-2D

Universal Tax Systems, Inc. (ATX)
225 Chastain Meadows Ct. NW, Ste. 300
Kennesaw, GA. 30144
https://www.https://www.wolterskluwer.com/en/solutions/atx
IT-565
IT-565-2D

Tax Year 2024

Advanced Tax Solutions, LLC
Product Name- MyTaxPrepOffice
1603 Capitol Ave. Suite 310 A254
Cheyenne, WY 82001
https://www.mytaxprepoffice.com/
IT-565

CCH Incorporated
9111 E Douglas Ave., Ste. 300
Wichita, KS 67207
http://taxna.wolterskluwer.com
IT-565
IT-565 Extension Payments

Crosslink Professional Tax Solutions, LLC. (Crosslink by Petz)
16916 S Harlan Rd.
Lathrop, CA. 95330
Phone: 800-345-4337
https://www.CrossLinkTax.com
CIFT-620
CIFT-620 Extension Payments

Crosslink Professional Tax Solutions, LLC. (Crosslink)
16916 S Harlan Rd.
Lathrop, CA. 95330
Phone: 800-345-4337
https://www.CrossLinkTax.com
IT-565
IT-565 Extension Payments

Drake Software, LLC. (Drake Tax)
235 E. Palmer Street
Franklin, NC 28734
http://www.drakesoftware.com
IT-565

H & R Block (Blockworks)
One H&R Block Way
Kansas City, MO 64105
Phone: 1-800-HRBLOCK
http://www.hrblock.com
IT-565

Instead, LLC.
515 Folsom St., FL 2
San Francisco, CA 94105
http://www.instead.com
IT-565

Intuit Lacerte
Intuit ProSeries
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040 (Sales)
http://www.intuit.com
IT-565
IT-565 Extension Payments

Intuit TurboTax & ProSeries Business
Intuit ProTax Connect Online
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040 (Sales)
http://www.intuit.com
IT-565

On-line Taxes
724 Jules Street
Saint Joseph , MO 64501
http://www.OLTPRO.com
IT-565

PWC US Tax, LLP. (Paris EFiler)
2121 N Pearl St., Ste. 2000
Dallas, TX. 75201
http://www.pwc.com
IT-565

Tax Technologies, Inc. (Tax Series)
196 Woods Ave.
Bergenfield, NJ. 07621
Phone: 866-239-4884 (Sales)
http://www.taxtechnologies.com
IT-565
IT-565 Extension Payments

TaxAct
3200 Olympus Blvd., Ste. 150
Coppell, TX. 75019
Phone: (319)373-3600
http://www.TaxACT.com
IT-565

TaxSlayer
945 Broad St.
Augusta, GA. 30901
Phone: 706-868-0985
http://www.TaxSlayer.com
IT-565
IT-565 Extension Payments

Taxware Systems Inc (Wintax-1040)
195 N Euclid Ave.
Upland, CA 91786
http://www.taxwaresystems.com
IT-565

Thomson Reuters (GoSystem & UltraTax)
6160 Warren Pkwy.
Frisco, TX. 75034
Phone: 800-968-8900 (Sales & Support)
http://www.thomsonreuters.com
IT-565
IT-565 Extension Payments

Thomson Reuters (UltraTax CS)
6160 Warren Pkwy.
Frisco, TX. 75034
Phone: 800-968-8900 (Sales & Support)
http://www.thomsonreuters.com
IT-565

Universal Tax Systems, Inc. (ATX & TaxWise)
225 Chastain Meadows Ct. NW, Ste. 300
Kennesaw, GA. 30144
https://www.https://www.wolterskluwer.com/en/solutions/atx
IT-565

Wolters Kluwer-CCH (ProSystem)
9111 E Douglas Ave., Suite 300
Wichita, KS 67207
https://www.wolterskluwer.com
IT-565
IT-565 Extension Payments

Tax Year 2020

Wolters Kluwer
Taxwise
9111 E Douglas Ave., Suite 300
Wichita, KS 67207
https://www.wolterskluwer.com

CorpTax
2100 E. Lake Cook Road, Suite 800
Buffalo Grove, IL 60089
http://www.corptax.com/

Thomson Reuters
2395 Midway Road
Carrollton, TX 75006
http://www.thomsonreuters.com

H & R Block Blockworks
One H&R Block Way
Kansas City, MO 64105
Phone: 1-800-HRBLOCK
http://www.hrblock.com

Crosslink Professional Tax Software
P.O. Box 611
Tracy, CA 95378-0611
Phone: 800-345-4337
http://www.CrossLinkTax.com

Intuit ProSeries
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040
https://proconnect.intuit.com/proseries/

Intuit Software
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040
http://www.intuit.com

Ultratax
6300 Interfirst Dr
Ann Arbor, MI 48108
Phone: 800-968-8900 (Sales)
Phone: 800-968-0600 (Support)
http://cs.thomsonreuters.com/UltraTaxCS

Intuit Turbo Tax
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040
http://www.intuit.com

Intuit ProSeries
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040
https://proconnect.intuit.com/proseries

Intuit Proline
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040
http://www.intuit.com

Drake Software
235 E. Palmer Street
Franklin, NC 28734
http://www.drakesoftware.com

Tax Year 2019

CorpTax
2100 E. Lake Cook Road, Suite 800
Buffalo Grove , IL 60089
http://www.corptax.com

Ultratax
6300 Interfirst Drive
Ann Arbor, MI 48108
Phone: 800-968-8900 (Sales)
Phone: 800-968-0600 (Support)
http://cs.thomsonreuters.com/UltraTaxCS/

Intuit Turbo Tax
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040 (Sales)
http://www.intuit.com

Intuit ProSeries
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040
https://proconnect.intuit.com/proseries/

Intuit Proline
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040
http://www.intuit.com

Lacerte Software Group
Intuit, Inc
5601 Headquarters Drive
Plano, TX 75024
Phone: 800-933-9999(Sales)
http://www.intuit.com

H & R Block Blockworks
One H&R Block Way
Kansas City, MO 64105
Phone: 1-800-HRBLOCK
http://www.hrblock.com

Thomson Reuters
2395 Midway Road
Carrollton, TX 75006
http://www.thomsonreuters.com

ATX by CCH - Small Firm Services
225 Chastain Meadows Ct NW
Nennesaw, GA 30144
Phone: 1-866-345-4172 (Sales)
Phone: 1-800-638-8291(Support)
Drake Software
235 E. Palmer Street
Franklin, NC 28734
http://www.drakesoftware.com

Tax Year 2018

CorpTax
2100 E. Lake Cook Road, Suite 800
Buffalo Grove , IL 60089
http://www.corptax.com

H & R Block
One H&R Block Way
Kansas City, MO 64105
Phone: 1-800-HRBLOCK
http://www.hrblock.com

Thomson Reuters
2395 Midway Road
Carrollton, TX 75006
http://www.thomsonreuters.com

Intuit Proline
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040
http://www.intuit.com

Lacerte Software Group
Intuit, Inc
5601 Headquarters Drive
Plano, TX 75024
Phone: 800-933-9999(Sales)
http://www.intuit.com

Drake Software
235 E. Palmer Street
Franklin, NC 28734
http://www.drakesoftware.com

Intuit ProSeries
7535 Torrey Santa Fe Road
San Diego, CA 92129
Phone: 800-934-1040
https://proconnect.intuit.com/proseries/

Updated June 16, 2026