{"data":{"id":"us-il/35-ilcs-505-1.18","jurisdiction":"us-il","citation":"35 ILCS 505/1.18","heading":"\"Proof gallon\" means one gallon of 100 proof alcohol.","body":"For example: One gallon of 200 proof alcohol is two proof gallons. For the purpose of this definition \"proof\" is a term used to describe the strength of an ethyl alcohol solution and is a number that is double that of the percent alcohol in the solution. For example: \"100 proof\" means 50 percent alcohol.","path":["CHAPTER 35 REVENUE","Motor Fuel Tax Law."],"source_url":"https://www.ilga.gov/legislation/ILCS/details?ActID=610\u0026ChapterID=8\u0026ChapAct=FullText\u0026Print=True","current_through":"at least Public Act 104-790","vintage":"","retrieved_at":"2026-09-15T04:46:20Z","sha256":"55f6a0d3964ca28228c916e6cd9aeaa2dba3908fbfd4f7bac886f1400c496b67","source_id":"us-il","stale":false,"prev":"us-il/35-ilcs-505-1.17","next":"us-il/35-ilcs-505-1.19"},"notice":"GroundRules: Original legal text. Not legal advice."}