For the purposes of the application of this Executive Decree, the following definitions and terms are accepted:
1.1. MOPT: Ministry of Public Works and Transport.
1.2. IGN: Instituto Geográfico Nacional.
1.3. Estuary (Estero): Estero de Puntarenas.
1.4. Channel (Canal): Maritime strip in the Estero de Puntarenas, which includes the navigation channel (canal de navegación) and the safety zones (zonas de seguridad), in which the permanence of vessels and the construction of infrastructure are not permitted.
1.5. Natural channel (Canal natural): The deepest and cleanest part along the Estuary.
1.6. Navigation Channel (Canal de Navegación): Recommended maritime navigation route for the entry and exit of vessels in the Estuary, defined for navigation in both directions and subdivided by an imaginary center line.
1.7. Safety Zones (Zonas de Seguridad): External strips parallel to both sides of the Navigation Channel for the protection of vessels navigating in the Channel.
1.8. Beacon (Baliza): Instrument, apparatus, or body installed in the estuary to warn of a danger or to issue precise indications to navigators.