In 2026, customs declaration is about biosecurity and taxation. You must declare: 1. High-value goods (usually over $800 in the US or ₹75,000 in India) intended for personal use or gifts; 2. Currency exceeding $10,000 (or equivalent); 3. Agricultural items, including fresh fruit, vegetables, meat, seeds, and soil, as these can carry invasive pests; 4. Alcohol and Tobacco that exceed your specific duty-free allowance (typically 1-2 liters of spirits and 200 cigarettes); 5. Commercial samples or items intended for resale. A significant 2026 update: many countries now require the declaration of CBD products or prescription medications that aren't in their original packaging. Failure to declare these can result in "on-the-spot" fines or the seizure of the items. When in doubt, always use the "Red Channel" to ask a customs officer; being honest about an item is usually free, whereas "forgetting" to declare a piece of expensive jewelry or a bag of exotic fruit can lead to serious legal consequences and a flagged passport for future travel.