A Maintenance Request (MR) is a request, submitted by an X12 member representative, implementer, or a materially interested member of the public, related to an enhancement of or revision to an X12 product.
Maintenance Request Portal for Members
X12 Fall 2025
Standing Meeting Materials
X12N Summer 2025 Standing Meeting Materials
iMeet Central
X12's primary work group, task group, subcommittee and committee collaboration tool for member representatives.
Future Meetings
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Important Dates
Jan
16
Batch 136 member review ends
ASC Ballot: Maintenance Request Package ends
Jan
25
Winter 2026 X12 Standing Meeting On-Site Portland, OR 1/25-1/29/2026
Feb
02
Continuation of Winter X12J Technical Assessment meeting, 3-5 PM ET
Feb
04
Winter Procedures Review Board meeting, 3-3:30 PM ET
Feb
16
ASC Ballot: Maintenance Request Package begins
Mar
06
Deadline for submitting code maintenance requests for member review of Batch 137
Mar
13
Batch 137 member review begins
Mar
18
ASC Ballot: Maintenance Request Package ends
Apr
03
Batch 137 member review ends
Apr
13
April Technical Assessment Meeting 1:30-3:30 PM ET Monday & Tuesday - 1:30-2:30 PM ET Wednesday
Apr
15
April PRB Meeting - 2:30-3 PM ET
May
01
Deadline for submitting code maintenance requests for member review of Batch 138
May
08
Batch 138 member review begins
May
29
Batch 138 member review ends
Jun
07
Summer 2026 X12 Standing Meeting Onsite in Philadelphia, PA 6/7-6/11/2026