* the taxpayer has assigned, in the regular course of its business, such asset or activity on its records to a fixed place of business consistent with federal or state regulatory requirements; (IITA Section 304(c)(3)(viii)(2)(D)(1))
* such assignment on its records is based upon substantive contacts of the asset or activity to such fixed place of business; and (IITA Section 304(c)(3)(viii)(2)(D)(2))
* the taxpayer uses such records reflecting assignment of such assets or activities for the filing of all state and local tax returns for which an assignment of such assets or activities to a fixed place of business is required. (IITA Section 304(c)(3)(viii)(2)(D)(3))
Ill. Admin. Code tit. 86, § 100.3405
Added at 33 Ill. Reg. 15044, effective October 26, 2009