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Upload fixed-width files on the upper left side of the page in the “ACT file data upload” section (see screenshot below).
If data errors occur, you have two options:
Modify the fixed-width file and reload it in the “ACT file data upload” section.
As an alternative, you can also download a CSV version of the file ( via the “ACT Download CSV…” section on the upper right side of the page), modify the CSV file, and then reload it on the upper left side of the page in the “ACT file data upload” section.
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