R.I. Gen. Laws § 34-28-7: Lien of architect or engineer.

The lien, under §§ 34-28-1, 34-28-2 or 34-28-3, of any architect or engineer, or of any immediate or mediate subcontractor thereto, for work done in connection with the construction, erection, alteration, or reparation, the result of which is used therein, shall be valid and enforceable under the provisions of this chapter if and only if a notice of intention provided for in § 34-28-4, is mailed and filed in accordance therewith by the architect, engineer, or such subcontractor thereto, the mailing and filing in the land evidence records to be before the later of two hundred (200) days of the performance of the work or ten (10) days after the actual and visible commencement, by excavation or otherwise, of the construction, erection, alteration or reparation.