Ark. Code § 28-2-214
Notwithstanding any other provision of this subchapter, if as a result of a disclaimer or transfer the disclaimed or transferred interest is treated pursuant to the provisions of Title 26 of the United States Code, as now or hereafter amended, or any successor statute thereto, and the regulations promulgated thereunder, as never having been transferred to the disclaimant, then the disclaimer or transfer is effective as a disclaimer under this subchapter.
In order for a disclaimer made under the provisions of this subchapter to be effective as a tax-qualified disclaimer pursuant to the provisions of Title 26 of the United States Code, the disclaimer must be made within the time periods set out in Title 26, Section 2518 of the United States Code, generally within 9 months from the day that the interest being disclaimed was created.
Ark. Code § 28-2-214