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Key Dates for Software Providers

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The Key Dates listed below are subject to change. Please check back periodically for the most up-to-date information.

Date	Message
July 16, 2026	Minnesota Letter of Intent (LOI) Opening Software Provider Requirements
August 3, 2026	Near Final Forms Paper Forms certification opens
August 10, 2026	Near Final Grid Forms
August 27, 2026	Voucher specifications
September 1, 2026	Draft State Schemas for all tax types posted in SES Draft Minnesota Leads Reporting schema released
September 15, 2026	Software Provider conference call
October 1, 2026	Final Forms released Final State Schemas for all tax types posted in SES Final Minnesota Leads Reporting schema released Draft Error Rejection Codes for all tax types posted
October 15, 2026	Near Final Instruction Booklets Final Grid Forms
October 30, 2026	Letter of Intent (LOI) due. Late submissions will not be accepted. Certification Test Cases released Final Error Rejection Codes for all tax types posted
November 2, 2026	E-File and Leads Reporting ATS Certification opens Final Instructions released
December 31, 2026	Notification Deadline for Free File participation and criteria
TBD	Business Filing season opens
TBD	Individual Filing season opens

How Are We Doing?

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Last Updated

July 14, 2026

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