QuickAlerts - Technical Critical Update for Modernized e-File (MeF) System

Having trouble viewing this email? View it as a Web page.                                                                                                                                                  QuickAlerts for Tax Professionals January 7, 2021  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:  Critical Update for Modernized e-File (MeF) System The MeF system has tightened cryptographic requirements to conform to government-wide guidance and upgrade from digests using the SHA-1 algorithm in digital and XML signatures.  As a result, MeF Production and Assurance Testing System (ATS) environments no longer accept signature and digest methods using SHA-1. An error will be generated if SHA-1 is used, therefore you must switch to SHA-256 or higher. Additional information can be found on the MeF Status page on IRS.gov. We apologize for any inconvenience this change may cause. 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