Louisiana Administrative Code — Title 61 (Revenue and Taxation)
LAC 61:I.3361 — Use by Farmers
A. In the case of farmers who operate farm use trucks which use undyed special fuels other than liquefied petroleum gas and compressed natural gas in operating for both taxable and nontaxable purposes, the secretary shall, when requested, reach an agreement with the farmer wherein the amount of fuel used in each truck shall be estimated and the tax paid each month on the basis of the estimate.
B. The minimum estimate will be no less than 75 gallons per month per vehicle.
Source: official text