def METHOD_NAME(self):
    # Returns the survey ID or "None" if it cannot be retrieved
    if self.obj.page_number % 2 == 0 or \
       self.obj.sheet.survey.questionnaire.page_count == 1:
        pos = self.obj.sheet.survey.defs.get_survey_id_pos()
        survey_id = read_codebox(self,
                                 pos[0], pos[2])
        survey_id = read_codebox(self,
                                 pos[1], pos[2],
                                 survey_id)
        return survey_id
    else:
        return None