R.I. Gen. Laws § 6-11-6
In any test for the ascertainment of the fineness of any article mentioned in §§ 6-11-3 - 6-11-5 according to the previously mentioned standards, the part of the article taken for the test, analysis, or assay shall be a part or portion that does not contain or have attached to it any solder or alloy of inferior metal used for brazing or uniting the parts of the article; provided, that in addition to the previously mentioned test and standards, the actual fineness of the entire quantity of metal purporting to be silver contained in any article mentioned in §§ 6-11-3 - 6-11-5 including all solder or alloy of inferior fineness used for brazing or uniting the parts of any article (all silver, alloy, or solder being assayed as one piece), shall not be less by more than ten one-thousandths (10/1000) parts than the fineness indicated, according to the previously mentioned standards, by the mark stamped, branded, engraved, or imprinted upon the article, or upon any tag, card, or label attached to it, or upon any box, package, cover, or wrapper in which the article is encased or enclosed.
R.I. Gen. Laws § 6-11-6