{"iri":"https://lexicon.financial/ext/uscode/us/usc/t26/s45Z/d/1","label":"mmBTU","definition":"The term “mmBTU” means 1,000,000 British thermal units.","license":"https://www.usa.gov/government-copyright","source":"tax","source_url":"https://uscode.house.gov/browse/prelim@title26"}