Upload CIS Verification Request CSV File   Upload CIS Verification Request CSV File Step 1 - Ensure that you have prepared your CIS Verification Request Contractor & CIS Verification Request Subcontractor spreadsheet documents and have saved them in a CSV file format ready to be uploaded. If you have not done this please go back to download the CIS Verification Request Contractor & CIS Verification Request Subcontractor spreadsheet documents from "Download Spreadsheet" in the Tasking Zone. Step 2 - CONTRACTOR (Tax Verification) Click Browse to Upload Contractor CSV file. Step 3 - SUBBIES (Tax Verification) Click Browse to Upload Subcontractor CSV file. Step 4 - Your own CSV File Reference (optional) Warning : Please note - it will take about 3 minutes, depending on the quantity of data, to complete the uploading and validating process. Please do not click on any Tasking Zone button during this time. If you do the file upload will be aborted.

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