QuickAlerts - Technical - Annual System Update for the Modernized e-File (MeF) Assurance Testing System (ATS)

Having trouble viewing this email? View it as a Web page.                                                                                                                                                  QuickAlerts for Tax Professionals September 27, 2023 e-file Resources QuickAlerts Library QuickAlerts Article QuickAlerts Brochure e-file for Tax Pros Software Developers IRS.gov Refund Information Other Useful Links Tax Professionals Home All Forms and Instructions Training and Communication Tools e-Services Disaster Relief Internal Revenue Bulletins Subject: Annual System Update for the Modernized e-File (MeF) Assurance Testing System (ATS) ATS Cutover October 10, 2023 – October 23, 2023 MeF ATS will be unavailable beginning Tuesday, October 10, 2023, 9:00 a.m. Eastern time until Monday, October 23, 2023, 9:00 a.m. Eastern time. Please refrain from accessing the testing system during this maintenance window. Please monitor the MeF Operational Status page for future updates. Important Notes New R10.7 WSDLs (Web Service Definition Language)  will be installed in ATS. Software developers will need to use the new WSDLs to connect to MeF A2A (Application to Application) services. A QuickAlerts bulletin was issued on August 23, 2023 with details on the WSDLs. Use "la.alt" URL (la.alt.www4) for the ATS environment, and use "la" main URL (la.www4) for the Production environment. Back to Top Thank you for subscribing to QuickAlerts for Tax Professionals, an IRS e-mail service. If you have an idea or a question related to QuickAlerts you can contact us by e-mail. Submissions which are not related to QuickAlerts will not be processed. If you have tax related questions you should pursue normal customer service channels provided on IRS.gov. If you know someone who might want to subscribe to this mailing list, please forward this message to them so they can subscribe. This message was distributed automatically. Please Do Not Reply To This Message.     Update your subscriptions, modify your password or email address, or stop subscriptions at any time on your Subscriber Preferences Page. You will need to use your email address to log in. If you have questions or problems with the subscription service, please contact subscriberhelp.govdelivery.com. This service is provided to you at no charge by the Internal Revenue Service (IRS). This email was sent to business.solutions.ve@gmail.com by: Internal Revenue Service (IRS) · Internal Revenue Service · 1111 Constitution Ave. N.W. · Washington DC 20535