After connecting to your Withholding account, simply click the "Make an EFT Payment" link to complete your filing and payment. To complete a filing using WebFile, a KanAccess account is required.Sign in or create your free account in the next step. It is telling me to file a Kansas City Mo earning tax form. I have never filed one before. I live in Kansas City, Missouri and work in the state of Kansas. This form must be filed with the employee's employer.