R.I. Gen. Laws § 15-4-5: Acknowledgment of deeds and letters of attorney.

The deed of a married woman conveying her separate interest in any lands, tenements, or hereditaments shall be acknowledged by her in the same manner as if she were single and unmarried. If any deed affecting her right of life estate created by chapter 25 of title 33 in any estate of her husband during his life is executed by attorney of the wife, the letter of attorney shall be acknowledged in the same manner as if she were single and unmarried.