Customs regulations are laws and guidelines that govern the import and export of goods across international borders. They are designed to protect a country's economy, environment, and public health by controlling what can enter or leave the country. Compliance with these regulations is essential for businesses engaged in international trade, as violations can lead to fines, confiscation of goods, or even legal action. These regulations vary by country and can include tariffs, duties, and restrictions on certain items. Understanding customs regulations is crucial for importers and exporters to ensure smooth transactions and avoid delays at customs checkpoints. Familiarity with tariffs, duties, and prohibited items is key to successful international trade.