(a) For purposes of §64.2309, a telecommunications carrier will be presumed to provide subscriber list information under reasonable rates if its rates are no more than $0.04 a listing for base file subscriber list information and no more than $0.06 a listing for updated subscriber list information.

(b) For purposes of §64.2309, a telecommunications carrier provides subscriber list information under reasonable terms and conditions only if the carrier does not restrict a directory publisher's choice of directory format.