For a one-time shipment to Ecuador valued at $4,000, what can the exporter ship under?

The choice of the GBS exception for a one-time shipment to Ecuador valued at $4,000 is appropriate because under certain trade agreements, there are provisions that allow for the export of goods under a simplified process, particularly for specific types of goods or lower values.

The GBS (General Bill of Lading) exception typically consists of conditions that facilitate the exportation process by reducing bureaucratic hurdles for shipments that fall under a certain monetary threshold or volume. In this case, since the shipment is a one-time transaction with a value clearly below the threshold of concern for many export regulations, utilizing the GBS exception streamlines the process and eliminates the need for more complex documentation that might otherwise apply.

This exception is particularly useful for exporters who might not regularly engage in international shipping and therefore may not want to engage in more complex export documentation processes that apply to larger shipments or ongoing trade activities. By using this exception, the exporter can facilitate the movement of goods while still remaining compliant with necessary trade regulations for a temporary, low-value shipment.