@abc.abstractmethod<EOL><INDENT>def create_id(self, id_form):<DEDENT>
return<EOL>
Creates a new ``Id``.

        A new ``IdForm`` should be requested for each create
        transaction.

        :param id_form: the ``Id`` form
        :type id_form: ``osid.id.IdForm``
        :return: the created ``Id``
        :rtype: ``osid.id.Id``
        :raise: ``AlreadyExists`` -- an ``Id`` for the authority, namespace, and identifier already exists
        :raise: ``IllegalState`` -- ``id_form`` already used in a create transaction
        :raise: ``InvalidArgument`` -- one or more of the form elements is invalid
        :raise: ``NullArgument`` -- ``id_form`` is ``null``
        :raise: ``OperationFailed`` -- unable to complete request
        :raise: ``PermissionDenied`` -- authorization failure
        :raise: ``Unsupported`` -- ``id_form`` did not originate from ``get_id_form_for_create()``

        *compliance: mandatory -- This method must be implemented.*