LECs must file tariffs for basic pay telephone services and any unbundled features the LEC provides to their own pay telephone service. Rates for these services shall be set according to the Federal Communications Commission's new services test pursuant to the Computer Inquiry III (CC Docket 90-263) guidelines in effect on October 1, 1999 ( 47 CFR 61.49(g)(2)) . The tariffed rates for these services must be:
Ill. Admin. Code tit. 83, § 771.600