R.I. Gen. Laws § 34-22-8
Any person seventeen (17) years old or over may give a power of attorney to be exercised during the period during which the donor is engaged in active service with the military, air, or naval forces of the United States or in the American merchant marine during any war, declared or undeclared, in which the United States shall be engaged. The power of attorney shall continue in full force and effect until revoked by the donor or by operation of law. The donee of the power of attorney may act for and represent the donor to the extent as authorized in the power of attorney, provided that nothing in §§ 34-22-8 - 34-22-10 shall authorize a donee of a power of attorney given by a minor to sell, mortgage or dispose of the property, real or personal, of the minor.
R.I. Gen. Laws § 34-22-8