Whenever any administrator, executor, guardian, receiver, sheriff, mortgagee or any person acting under a power of sale in any mortgage deed, deed of trust or other conveyance, sells or causes to be sold any real estate lying within this state, the title to which will in any manner depend upon notice of sale to be published in any newspaper, if the person or persons causing the sale to be made causes a copy of the advertisement, in pursuance of which the sale is made, to be attached to the deed given thereunder, together with his, her or their affidavit, or, if a corporation, the affidavit of its duly authorized officer, stating when, how many times and in what newspaper or newspapers the advertisement was published, and the manner, time and place of making the sale, the copy and affidavit shall be recorded with the deed to which they are attached, and the record thereof shall be prima facie evidence of the truth of the matters and things therein stated, but the omission of the copy and affidavit shall not affect the validity of the conveyance if otherwise valid.
R.I. Gen. Laws § 34-13-3