Mar 16, 2026
The NEW FileSpecVersion 4.10.0 was originally scheduled to be effective on March 22, 2026. The NEW effective date is April 1, 2026. If you submit files using fileSpecVersion 4.10.0 before April 1st, the file will be rejected. Manual entry of staffing hours will continue to allow up to a maximum of 24.00 hrs/day until April 1, 2026 without causing a fatal error.
The OLD FileSpecVersions 2.00.0, 2.00.3, and 4.00.0 will continue to be accepted until March 31, 2026. If you submit files using fileSpecVersion 2.00.0, 2.00.3, or 4.00.0 on April 1, 2026, or after, the file will be rejected.
System updates will be implemented on March 31, 2026 beginning at 8 pm EST and is expected to take up to 4 hours. We recommend you complete any submission activity on March 31, by 7 pm EST. If you have files rejected during that time, you may need to resubmit on April 1 using 4.10.0. If you have manual data rejected, you should try again on April 1.
You may contact the iQIES Help Desk at iqies@cms.hhs.gov or (800) 339-9313 for submission assistance.