1. A certificate issued by a government to a neutral ship certifying that its cargo does not contain contraband and is safe to pass through a blockade.
Usage: historical; maritime law; primarily used during World War I

Examples

• During World War I, neutral ships required a navicert to trade safely with non-belligerent nations.
• The British government issued navicerts to verify that cargo was not destined for enemy ports.
• Without a navicert, merchant vessels risked being stopped and searched by naval patrols.
• The navicert system was designed to prevent supplies from reaching blockaded countries.
• Shipping companies had to apply for navicerts before each voyage through contested waters.