A URO or PRO shall provide a toll-free telephone number and have adequate staff and telephone lines to handle inquiries from 9 a.m.-5 p.m. Monday through Friday, except for legal holidays. A URO or PRO shall also establish a mechanism to receive and record telephone calls during nonbusiness hours.
34 Pa. Code § 127.658
This section cited in 34 Pa. Code § 127.401 (relating to purpose/review of medical treatment).