# Signature status icons

The signature status icons allow you to review the status of forms and case report books that require signatures, and to navigate to the electronic signature form for a specific form or case report book.

The signature status icons appear in the following place in the user interface:

- Required Signatures page—Signature column.

  Signature status icons

  Icon or link | Description
  --- | ---
  | CRF has been signed by all required signatories. This icon is visible only if you have the right to view CRF signing information.
  | CRF has not been signed by all required signatories. This can mean that the CRF or case report book has never been signed or that signatures have been invalidated by data updates or query activity. This icon is visible only if you have the right to view CRF signing information.
  | The form is signed, so the signature is unnecessary. This occurs if the form was signed by those groups that were required to sign at the time of the original signatures, but the user is in a group that was later added and required to sign the form.
  | Case report book has been signed by all required signatories. This icon is visible only if you have the right to view CRF signing information.
  | Case report book has not been signed by all required signatories. This can mean that the CRF or case report book has never been signed or that signatures have been invalidated by data updates or query activity. This icon is visible only if you have the right to view CRF signing information.
  | The case report book is signed, so the signature is unnecessary. This occurs if the case report book was signed by those groups that were required to sign at the time of the original signatures, but the user is in a group that was later added and required to sign the case report book.
  Sign link | Click to sign the CRF.
  Sign Book link | Click to sign the CRB.
  View link | Click to view details for the CRF or CRB.

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