2026
March
2026-03-16 X12N Subcommittee 14-day Comment Period ends
April
Batch 137 member review ends
2026-04-06 X12N Subcommittee 14-day Comment Period begins (if needed)
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
April PRB Meeting - 2:30-3 PM ET
2026-04-06 X12N Subcommittee 14-day Comment Period ends (if needed)
2026-04-20 X12N Subcommittee 14-day Comment Period begins (if needed)
2026-04-13 X12N 14-day Subcommittee Electronic MR Ballot ends
May
Deadline for submitting code maintenance requests for member review of Batch 138
2026-04-20 X12N Subcommittee 14-day Comment Period ends (if needed)
2026-05-04 X12N Subcommittee 14-day Comment Period begins (if needed)
Batch 138 member review begins
2026-05-11 X12N 14-day Subcommittee Electronic MR Ballot begins (if needed)
2026-05-04 X12N Subcommittee 14-day Comment Period ends (if needed)
2026-05-18 X12N Subcommittee 14-day Comment Period begins (if needed)
2026-05-11 X12N 14-day Subcommittee Electronic MR Ballot ends (if needed)
Batch 138 member review ends
2026-05-18 X12N Subcommittee 14-day Comment Period ends (if needed)
June
2026-06-01 X12N Subcommittee 14-day Comment Period begins (if needed)
Summer 2026 X12 Standing Meeting Onsite in Philadelphia, PA 6/7-6/11/2026
2026-06-08 X12N 14-day Subcommittee Electronic MR Ballot begins (if needed)
2026-06-01 X12N Subcommittee 14-day Comment Period ends (if needed)
Continuation of Summer X12J Technical Assessment meeting, 3-5 PM ET
Summer Procedures Review Board meeting, 3-3:30 PM ET
2026-06-08 X12N 14-day Subcommittee Electronic MR Ballot ends (if needed)
ASC Ballot: Maintenance Request Package begins
July
Deadline for submitting code maintenance requests for member review of Batch 139
2026-07-06 X12N Subcommittee 14-day Comment Period begins (if needed)
Batch 139 member review begins
2026-07-13 X12N 14-day Subcommittee Electronic MR Ballot begins (if needed)
2026-07-06 X12N Subcommittee 14-day Comment Period ends (if needed)
2026-07-20 X12N Subcommittee 14-day Comment Period begins (if needed)
2026-07-13 X12N 14-day Subcommittee Electronic MR Ballot ends (if needed)
ASC Ballot: Maintenance Request Package ends
Batch 139 member review ends
August
2026-07-20 X12N Subcommittee 14-day Comment Period ends (if needed)
2026-08-03 X12N Subcommittee 14-day Comment Period begins (if needed)
August Technical Assessment Meeting 1:30-3:30 PM ET Monday & Tuesday - 1:30 - 2:30 PM ET Wednesday
2026-08-10 X12N 14-day Subcommittee Electronic MR Ballot begins (if needed)
August PRB Meeting - 2:30-3 PM ET
2026-08-03 X12N Subcommittee 14-day Comment Period ends (if needed)
2026-08-17 X12N Subcommittee 14-day Comment Period begins (if needed)
Deadline for submitting code maintenance requests for member review of Batch 140
2026-08-10 X12N 14-day Subcommittee Electronic MR Ballot ends (if needed)
Batch 140 member review begins
2026-08-17 X12N Subcommittee 14-day Comment Period ends (if needed)
September
2026-09-07 X12N Subcommittee 14-day Comment Period begins (if needed)
2026-09-14 X12N 14-day Subcommittee Electronic MR Ballot begins (if needed)
Batch 140 member review ends
2026-09-07 X12N Subcommittee 14-day Comment Period ends (if needed)
2026-09-21 X12N Subcommittee 14-day Comment Period begins (if needed)
Fall 2026 X12 Standing Meeting Onsite in Jacksonville, FL 9/27-10/1/2026
2026-09-14 X12N 14-day Subcommittee Electronic MR Ballot ends (if needed)
October
2026-09-21 X12N Subcommittee 14-day Comment Period ends (if needed)
Continuation of Fall X12J Technical Assessment meeting, 3-5 PM ET
Fall Procedures Review Board meeting 3-3:30 PM ET
2026-10-12 X12N 14-day Subcommittee Electronic MR Ballot begins (if needed)
ASC Ballot: Maintenance Request Package begins
2026-10-19 X12N Subcommittee 14-day Comment Period begins (if needed. Last comment period for inclusion in version 008080)
2026-10-12 X12N 14-day Subcommittee Electronic MR Ballot ends (if needed)
November
2026-10-19 X12N Subcommittee 14-day Comment Period ends (if needed)
2026-11-02 X12N Subcommittee 14-day Comment Period begins (if needed)
Deadline for submitting code maintenance requests for member review of Batch 141
2026-11-09 X12N 14-day Subcommittee Electronic MR Ballot begins (if needed. Last ballot period for inclusion in version 008080)
Batch 141 member review begins
2026-11-02 X12N Subcommittee 14-day Comment Period ends (if needed)
2026-11-16 X12N Subcommittee 14-day Comment Period begins (if needed)
ASC Ballot: Maintenance Request Package ends
2026-11-09 X12N 14-day Subcommittee Electronic MR Ballot ends (if needed)
2026-11-16 X12N Subcommittee 14-day Comment Period ends (if needed)
December
Batch 141 member review ends
2026-12-07 X12N Subcommittee 14-day Comment Period begins (if needed)
December Technical Assessment Meeting - 1:30-3:30 PM ET Monday & Tuesday - 1:30-2:30 PM ET Wednesday
December PRB Meeting - 2:30-3 PM ET
2026-12-07 X12N Subcommittee 14-day Comment Period ends (if needed)
ASC Ballot: Maintenance Request Package begins
2027
January
ASC Ballot: Maintenance Request Package ends