15-30-2339. Residential property tax credit for elderly -- filing date. (1) Except as provided in subsection (3), a claim for relief must be submitted at the same time the claimant's individual income tax return is due. For an individual not required to file a tax return, the claim must be submitted on or before April 15 of the year following the year for which relief is sought.

(2) A receipt showing property tax billed or a receipt showing gross rent paid, whichever is appropriate, must be filed with each claim. In addition, each claimant shall, at the request of the department, supply all additional information necessary to support a claim.

(3) The department may grant a reasonable extension for filing a claim whenever, in its judgment, good cause exists.

(4) In the event that an individual who would have a claim under 15-30-2337 through 15-30-2341 dies before filing the claim, the personal representative of the estate of the decedent may file the claim.

(5) The department or an individual may revise a return and make a claim under 15-30-2337 through 15-30-2341 within 3 years from the last day prescribed for filing a claim for relief.