Sec. 32.5001  Basic area revenue.

    (a) This account shall include revenue derived from the provision of 
basic area message services such as flat rate services and measured 
services. Included is revenue derived from non-optional extended area 
services. Also included is revenue derived from the billed or guaranteed 
portion of semi-public services.
    (b) Revenue derived from charges for nonpublished number or 
additional and boldfaced listings in the alphabetical section of the 
company's telephone directories shall be included in Account 5230, 
Directory Revenue.