Every will shall be in writing and signed by the testator or some other person under his direction in the presence of the testator. The will shall be attested by two (2) or more competent witnesses, not having an interest in the testator’s estate or in the will, signing their names to the will in the presence of the testator by his direction or request. Any will purporting to devise an interest in trust or restricted lands shall in addition to the provisions of this section meet all the lawful requirements of the Bureau of Indian Affairs as set forth in Title 25 of the United States Code and Title 25 of the Code of Federal Regulations as presently enacted or hereafter amended. [Res. 06-R-53 § 7.0(B), 5/3/2006.]