EXAMPLE: Purchase 1: air common carrier purchases 10,000 gallons of aviation fuel it certifies is for use in Illinois. Producer provides purchaser-air common carrier with a certification that 5,000 gallons of the fuel is SAF. Purchaser-air common carrier earns $7,500 in SAFPC (5,000 * $1.50 = $7,500) on the purchase. The fuel will be loaded into the fuel supply tanks of aircraft at O'Hare Airport, and is therefore subject to Illinois Use Tax. All of the fuel, however, will be used in flights that are engaged in foreign trade and eligible for the exemption under Section 3-5(12) of the Use Tax Act [35 ILCS 105/3-5(12)] and Section 2-5(22) of the Retailers' Occupation Tax Act [35 ILCS 120/2-5(22)] . Therefore, the transaction is exempt from retailers' occupation and use tax.
Purchase 2: air common carrier purchases 20,000 gallons of non-SAF aviation fuel for use in Illinois at a price of $4 per gallon. No exemption applies to the purchase. The tax rate is 8.5 %. The taxable selling price is $80,000. Total tax owed is $6,800 ($80,000 * 8.5% = $6,800). Purchaser-air common carrier may use $5,000 ($80,000 * 6.25 % = $5,000) of SAFPC earned in Purchase 1 to satisfy the 6.25% portion of the tax. Purchaser-air common carrier must pay supplier the remaining $1,800 in tax (local portion), for which SAFPC may not be used. Purchaser-air common carrier will have $2,500 SAFPC remaining for use in future purchases.
Ill. Admin. Code tit. 86, § 130.333