Any references to water-filtration/treatment-system work pursuant to § 5-20-1 et seq., shall be solely in reference to commercial water-filtration/treatment-system work as defined in § 5-20-5.2. Nothing herein shall be applicable to residential water-filtration/treatment systems as defined in § 5-65.2-1 et seq.
R.I. Gen. Laws § 5-20-17.3