1. Travellers must declare any amount of foreign currency exceeding the equivalent of RM10,000 (approximately US$2,350) upon arrival or departure.
2. If the total amount of foreign currency (in any denomination) exceeds the equivalent of RM100,000 (approximately US$23,500), the traveller must submit the declaration form and relevant documentation to Customs.
It's important to note that these regulations are subject to change, and it's always a good practice to check with the relevant authorities or a reliable source before travelling. Additionally, it's worth considering the regulations and restrictions at your destination country when transporting large amounts of cash.