@utilities.arguments_not_none<EOL><INDENT>def get_relationships_by_genus_type_for_peers_on_date(self, source_id, destination_id, relationship_genus_type, from_, to):<DEDENT>
raise errors.Unimplemented()<EOL>
Gets a ``RelationshipList`` effective during the entire given date range inclusive but not confined to the date range.

        arg:    source_id (osid.id.Id): a peer ``Id``
        arg:    destination_id (osid.id.Id): a related peer ``Id``
        arg:    relationship_genus_type (osid.type.Type): a relationship
                genus type
        arg:    from (osid.calendaring.DateTime): starting date
        arg:    to (osid.calendaring.DateTime): ending date
        return: (osid.relationship.RelationshipList) - the relationships
        raise:  InvalidArgument - ``from is greater than to``
        raise:  NullArgument - ``source_id, destination_id,
                relationship_genus_type, from`` or ``to`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  PermissionDenied - authorization failure
        *compliance: mandatory -- This method must be implemented.*