Ill. Admin. Code tit. 83, § 1329.310
a) Carriers, whether they are considered resellers or facility based carriers, are responsible for their own surcharge administration. Each is responsible for collecting 9-1-1 surcharges from its end-user customers and shall remit them in aggregate to:
b) Each Interconnected VoIP provider shall charge and collect from its end-user customers 9-1-1 surcharges in the same manner as surcharges are charged and collected upon end-user customers of local exchange telecommunications service. Each Interconnected VoIP provider shall remit 9-1-1 surcharges collected from its end-user customers in aggregate to:
f) The checks and remittance transmittal shall be mailed to:
Illinois State Police
9-1-1 Administrative Support Command
9-1-1 Surcharge
801 South 7th Street
Springfield IL 62703