private regex_social_identification_client = [
    /[0-9]{2}.?[0-9]{3}.?[0-9]{3}/?[0-9]{4}-?[0-9]{2}/,
    /[0-9]{3}.?[0-9]{3}.?[0-9]{3}-?[0-9]{2}/
].freeze

def format_social_identification_client
    return unless regex_social_identification_client.find {
     |regex| social_identification_client.format =~ regex
    }
    errors.add(
     :social_identification_client, :invalid, message:
     "The CPF/CNPJ does not have a valid format"
    )
end