US lawPuerto RicoRegulationsAutoridad de los PuertosRegl. 8879, art. 1.73 — Tugboat (towboat) - Strongly built powerful boat used for towing or1.73Regl. 8879, art. 1.73Tugboat (towboat) - Strongly built powerful boat used for towing orLast amended: 2015Length: 7 wordsOfficial source Cite as Reglamento Núm. 8879, Art. 1.73pushing Barges, non-propelled watercrafts or any Vessel.