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 Winter 2026
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
Mar
13
Batch 137 member review begins
Mar
15
2026-03-02 X12N Subcommittee 14-day Comment Period ends
Mar
16
2026-03-16 X12N Subcommittee 14-day Comment Period begins
Mar
18
ASC Ballot: Maintenance Request Package ends
Mar
29
2026-03-16 X12N Subcommittee 14-day Comment Period ends
Apr
03
Batch 137 member review ends
Apr
06
2026-04-06 X12N Subcommittee 14-day Comment Period begins (if needed)
Apr
13
April Technical Assessment Meeting 1:30-3:30 PM ET Monday & Tuesday - 1:30-2:30 PM ET Wednesday
2026-04-13 X12N 14-day Subcommittee Electronic MR Ballot begins
Apr
15
April PRB Meeting - 2:30-3 PM ET
Apr
19
2026-04-06 X12N Subcommittee 14-day Comment Period ends (if needed)
Apr
20
2026-04-20 X12N Subcommittee 14-day Comment Period begins (if needed)
Apr
26
2026-04-13 X12N 14-day Subcommittee Electronic MR Ballot ends
May
01
Deadline for submitting code maintenance requests for member review of Batch 138
May
03
2026-04-20 X12N Subcommittee 14-day Comment Period ends (if needed)
May
04
2026-05-04 X12N Subcommittee 14-day Comment Period begins (if needed)