def is_cab_compliant(self):
        """
        Parse the options to find whether authority is CAB Forum Compliant,
        i.e., adhering to the CA/Browser Forum Baseline Requirements.
        Returns None if option is not available
        """
        if not self.options:
            return None

        options_array = json.loads(self.options)
        if isinstance(options_array, list):
            for option in options_array:
                if "name" in option and option["name"] == 'cab_compliant':
                    return option["value"]

        return None

        Parse the options to find whether authority is CAB Forum Compliant,
        i.e., adhering to the CA/Browser Forum Baseline Requirements.
        Returns None if option is not available
        
lemur/authorities/models.py