How to Configure the 1094-C Manifest File and Submit Your Data

The Manifest file contains the ACA business header and request manifest details.

  1. Update the following in the manifest file.

    • UniqueTransmissionId

    • ChecksumAugmentationNum

    • AttachmentByteSizeNum

    For further info, see Configure the 1094-C Transmission Manifest.

  2. Use the AIR electronic filing system to transmit your ACA data to the IRS. This involves uploading the information returns to the channel as XML files through your ACA transmitter's Web browser.

    For further info, see Affordable Care Act Information Returns System.