{"data":{"id":"us-il/35-ilcs-505-4d","jurisdiction":"us-il","citation":"35 ILCS 505/4d","heading":"","body":"All special fuel sold or used for non-highway purposes must contain only the dye Solvent Red 164 at a concentration spectrally equivalent to at least 3.9 pounds of the solid dye standard Solvent Red 26 per thousand barrels of special fuel except kerosene-type jet fuel sold for the propulsion of any aircraft. The dye must be added prior to removal from a terminal rack. The Department may also require all special fuel sold for non-highway use to have a marker added.","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":"2c1739b3e1c4d31f7fbb2af0768f041334bd99b034538530a2bdef929e199b21","source_id":"us-il","stale":false,"prev":"us-il/35-ilcs-505-4c","next":"us-il/35-ilcs-505-4e"},"notice":"GroundRules: Original legal text. Not legal advice."}