8. Resolution:

If a Billing Telephone Corporation or Billing Agent receives a complaint that the Subscriber did not authorize the purchase of the product or service associated with a charge, the Billing Telephone Corporation or Billing Agent, whichever is the recipient of the complaint, not later than 30 days from the date on which the complaint is received, shall either (i) verify and advise the Subscriber of authorization of the disputed charge or (ii) credit the disputed charge and any associated late charges or penalties to the Subscriber's bill, and offer the option of blocking all future third party billings at no charge as set forth in Rule 5.