47 CFR 69.120: Line information database.

(a) A charge that is expressed in dollars and cents per query shall be assessed upon all carriers that access validation information from a local exchange carrier database to recover the costs of:

(1) The transmission facilities between the local exchange carrier's signalling transfer point and the database; and

(2) The signalling transfer point facilities dedicated to the termination of the transmission facilities connecting the database to the exchange carrier's signalling network.

(b) A charge that is expressed in dollars and cents per query shall be assessed upon all carriers that access validation information from a local exchange carrier line information database to recover the costs of the database.