# Signature groups

During study setup, users who have rights to sign forms or case report books are assigned to signature groups. A signing form requires a member of one or more signature groups to sign it. The meaning of a signature is included in the definition of the signature group. The InForm application displays a list of required and applied signatures at the bottom of each signing form.

Note: When a form is associated with one signature group, it must be signed by one member of that signature group to be considered signed. When a form is associated with more than one signature group, it must be signed by one member of each signature group to be considered signed.

The Signature Status Details page provides details about signature status, the meaning of the signature, and the date when the form was signed. The Machine Name column displays the computer that the user was using when the form was signed.

Note: In order to be able to sign a form or case report book, a user must have signing rights and must be in the required signature group.

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