The records of each ethanol distributor and ethanol-blended gasoline dealer must be kept for a period of not more than 3 years and must include receipts, invoices, and other information that the department may require.
Mont. Code Ann. § 15-70-513
Recordkeeping requirements
Known as the Ethanol Tax Incentive and Administration Act
The act spans §§ 15-70-501 to 15-70-527 (14 sections).
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.