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
Oct
20
ASC Ballot: Maintenance Request Package begins
Oct
31
Deadline for submitting code maintenance requests for member review of Batch 135
Nov
07
Batch 135 member review begins
Nov
20
ASC Ballot: Maintenance Request Package ends
Nov
28
Batch 135 member review ends
Dec
08
December Technical Assessment Meeting - 1:30-3:30 PM ET Monday & Tuesday - 1:30-2:30 PM ET Wednesday
Dec
10
December PRB Meeting - 2:30-3 PM ET
Dec
17
ASC Ballot: Maintenance Request Package begins
Dec
19
Deadline for submitting code maintenance requests for member review of Batch 136
Dec
26
Batch 136 member review begins
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