need_profile = False
        if not self.payment_profile_id:
            need_profile = True
        if old_profile.billing_address is not None and old_profile.billing_address != self.billing_address:
            need_profile = True
        if old_profile.credit_card is not None and old_profile.credit_card != self.credit_card:
            need_profile = True
        if cc_num is None:
            need_profile = False
        if need_profile:
            settings = get_cim_setting()
            gateway = PaymentProcessor(settings=settings)
            purchaseargs = self.billing_address.get_purchase_dict('bill')
            purchase = Purchase(**purchaseargs)
            cim_purchase = CIMPurchase(purchase=purchase, customer_profile_id=self.customer_profile_id)
            response = gateway.create_payment_profile(cim_purchase, self.credit_card, cc_num)
            if response.success:
                self.payment_profile_id = response.message
            else:
                raise AuthNetException('', 'CIM Payment Profile Creation Failed')
        super(UserProfile, self).save()
        transaction.commit()