U.S. Code of Federal Regulations

Regulations most recently checked for updates: Sep 16, 2025

§ 36.122 - Categories and apportionment procedures.

(a) The following categories of central office equipment and apportionment procedures therefore are set forth in §§ 36.123 through 36.126.

Operator Systems EquipmentCategory 1.
Tandem Switching EquipmentCategory 2.
Local Switching EquipmentCategory 3.
Circuit EquipmentCategory 4.