Local exchange carrier property records and building usage analyses contain information on the functions that use the productive space (space used for the provision of telecommunications services or the generation of revenue) in the company's building investment on either a detailed or summary location basis. This usage data is used to apportion Account 2110 into three cost pools:
Ill. Admin. Code tit. 83, § 712.250
Amended at 27 Ill. Reg. 12489, effective August 1, 2003