Option A Getting Started Guide
Option D with Control Center User Guide
Options D and O Spreadsheets User Guide
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If there are issues with your report that you need to address, you will receive another email, which describes the issues and asks you to correct and resubmit the report.
Handwritten reports and reports that are mailed in on paper that are not accepted receive a letter that explains the problems with the report. They are given until the reporting deadline or two weeks to make the corrections.