15-70-362. Estimate allowed for agricultural use -- seller's signed statement acceptable on keylock or cardtrol purchases. (1) An applicant whose use qualifies as agricultural use may apply for a refund of the applicable tax on the gallons of special fuel as indicated by bulk delivery invoices or by evidence of keylock or cardtrol purchases as an estimate of off-roadway use.
     (2) An applicant may apply for a refund of the applicable tax on gallons of special fuel as evidenced by bulk delivery invoices or by evidence of keylock or cardtrol purchases according to the applicant's ratio of gross earned farm income to total gross earned income, excluding unearned income, as follows:
     (a) if the ratio is 50% or more, the applicant may apply for a refund of 60% of the special fuel tax;
     (b) if the ratio is between 40% and 49%, the applicant may apply for a refund of 50% of the special fuel tax;
     (c) if the ratio is between 30% and 39%, the applicant may apply for a refund of 40% of the special fuel tax;
     (d) if the ratio is less than 30%, the applicant is not eligible for a refund of the special fuel tax under this section.
     (3) If the applicant's ratio in any of the 3 previous years on record is higher than the present year, the highest ratio must be used to calculate the eligible refund.
     (4) If any invoice or evidence is either lost or destroyed, the purchaser may support the purchaser's claim for refund by submitting an affidavit relating the circumstances of the loss or destruction and by producing other evidence that may be required by the department of transportation.
     (5) An applicant whose use does not qualify as agricultural use may not estimate and shall maintain records as required by 15-70-361.

     History: En. Sec. 38, Ch. 525, L. 1993; amd. Sec. 5, Ch. 461, L. 1999.