Specifically, you can read about:
Border Crossing: Detailed rules on using the "green" and "red" corridors.
Goods and Personal Belongings: Regulations on the value and weight of goods that can be imported duty-free.
Vehicles: Conditions for the temporary importation or transit of vehicles.
Money and Valuables: Rules for declaring cash currency and precious metals.
Postal Shipments: Value limits for tax-free parcels from abroad.
Prohibitions and Restrictions: A list of items that are prohibited or require special permits to be moved across the border.