Ill. Admin. Code tit. 83, § 712.315
b) Selected cost pools in the following accounts are apportioned using the general allocator:
Account 1438 Deferred Maintenance and Retirements
Account 2110 Land and Support Assets
Account 2690 Intangibles
Account 6510 Other Property, Plant and Equipment Expenses
Account 6720 General and Administration
Account 7300 Nonoperating Income and Expense
(Source: Amended at 27 Ill. Reg. 12489, effective August 1, 2003)