{"iri":"https://lexicon.financial/ext/uscode/us/usc/t26/s6109/i/2/A","label":"required documentation","definition":"The term “required documentation” includes such documentation as the Secretary may require that proves the individual’s identity, foreign status, and residency.","license":"https://www.usa.gov/government-copyright","source":"tax","source_url":"https://uscode.house.gov/browse/prelim@title26"}