People travelling to Switzerland from Malta need to go into quarantine for 10 days, even if they have a certificate showing they are negative for Covid-19.
Malta is among 53 countries or territories that have been placed on the list issued by the Swiss authorities.
According to a statement, the countries on the list are considered as having an increased risk of infection.
Anyone who does not comply with the requirement would be committing an offence under the Epidemics act, which can be punished by a fine of up to 10,000 Swiss francs.
This is the full list of countries; Albania, Andorra, Argentina, Armenia, Aruba, The Bahamas, Bahrain, Belgium, Belize, Bolivia, Bosnia and Herzegovina, Brazil, Cape Verde, Chile, Colombia, Costa Rica, Dominican Republic, Ecuador, El Salvador, Eswatini (Swazsiland), Faroe Islands, Gibraltar, Guam, Guatemala, Honduras, India, Iraq, Israel, Kazakhstan, Kyrgyzstan, Kosovo, Kuwait, Luxembourg, Maldives, Malta, Mexico, Moldova, Monaco, Montenegro, Namibia, North Macedonia, Occupied Palestinian Territory, Oman, Panama, Peru, Qatar, Romania, Sint Maarten, Spain including the Balearic Islands (without the Canary Islands), South Africa, Suriname, Turks and Caicos Islands and the United States of America (including Puerto Rico and US Virgin Islands).