Section 215 ILCS 5/413 - Privilege Tax Payable on Admission of Foreign or Alien Company(1) Every foreign or alien company applying for a certificate of authority to transact business in this State shall pay to the Director a tax for the privilege of transacting business in this State in accordance with Section 409.(2) If during all or any part of the 3 year period next preceding the date of application for a certificate of authority the company had a certificate of authority to transact business in this State, or if it survives or was formed by a merger, consolidation, reorganization or reincorporation, and one or more of the parties thereto was a foreign or alien company authorized to transact business in this State during all or any part of such 3 year period, then the tax shall be determined in accordance with Section 409 on the basis of the last entire calendar year during which the company or any one of the foreign or alien companies parties to the merger, consolidation, reorganization or reincorporation was authorized to transact business in this State, or if none was authorized during any entire calendar year, then on the basis of the last partial calendar year during which any of such companies were authorized to transact business in this State.