1.  Per-call blocking.  At least 2 months prior to initiating any caller-ID service, and throughout the period that caller-ID service is offered to subscribers in this State, telephone utilities must advertise and immediately upon initiating such service must offer to all subscribers free per-call blocking.  

2.  Per-line blocking.  A telephone utility must provide per-line blocking to individuals, agencies and groups that submit a written request to the telephone utility asserting a specific need for per-line blocking for reasons of health and safety. Telephone utilities may not charge a subscriber a fee for the first per-line blocking or unblocking of the subscriber's line. Except as otherwise authorized by law or to confirm that a subscriber has made a valid request, telephone utilities may not disclose information concerning the request for per-line blocking submitted by an individual, agency or group.  

3.  Penalty.