Border Control & Customs 2026
International Airport Security & Customs Regulations
Official airport screening protocols, biosecurity declaration requirements, melatonin status, nicotine bans, and medication rules across Singapore, UK, France, Australia, Japan, USA, Canada, and Germany.
Singapore
CAAS / ICA (Immigration & Checkpoints Authority) & HSA / SFALiquid & Security Screening Protocol:Standard 100ml cabin liquid rule for flights departing Changi Airport.
Biosecurity & Agriculture Rules:Fresh produce and meat restricted. Packaged food for personal use permitted within SFA guidelines.
Medication & Prescription Protocol:Melatonin and standard vitamins are classified as health supplements and permitted for personal use (up to 3 months). Controlled narcotics/tranquilizers require prior HSA approval.
Duty-Free Exemption & Customs Limit:SGD $500 for stays ≥ 48 hours; SGD $100 for shorter stays. Chewing gum is prohibited.
Key Item Regulations for Singapore:
Nicotine Pouches & VapesSTRICTLY BANNED. E-cigarettes, vaporizers, and tobacco-free nicotine pouches (like ZYN) are illegal to import, possess, or use under Singapore law. Fines up to SGD $2,000 apply at Changi Airport.
Cigarettes & TobaccoZERO duty-free allowance. You MUST declare even a single pack of cigarettes at the Red Channel at Changi Airport and pay excise duty.
Cooking Oil from MalaysiaSingapore Food Agency (SFA) permits travelers entering from Malaysia to bring up to 5 kg / 5 L of cooking oil for personal consumption without an import permit.
Melatonin & VitaminsMelatonin is OTC and legal to bring into Singapore for personal use (up to 3 months supply).
United Kingdom
DFT / UK Border Force & MHRALiquid & Security Screening Protocol:100ml container limits in 1-liter clear bag (Next-generation 3D CT scanners currently deploying across UK airports).
Biosecurity & Agriculture Rules:Strict prohibitions on bringing meat, milk, and plant products from non-EU countries into the UK.
Medication & Prescription Protocol:Controlled medications require a personal doctor letter. Melatonin is prescription-only to purchase within the UK, but incoming travelers are permitted to bring up to 3 months personal supply.
Duty-Free Exemption & Customs Limit:£390 general goods allowance per traveler (£270 if arriving by private boat/plane). Declare cash over £10,000.
Key Item Regulations for United Kingdom:
Melatonin & Sleep AidsLegal to bring up to a 3-month personal supply through UK customs. Keep in original packaging or with prescription.
Baby Milk & Formula (Stansted/Heathrow)Baby milk, sterilised water, breast milk, and baby food are exempt from the 100ml liquid rule when traveling with an infant.
Perfume & ValuablesDuty-free perfume and engagement rings/jewelry are permitted within the £390 personal goods allowance.
AA Batteries & ElectronicsStandard dry batteries (AA/AAA) and low-power Apple AirTags are fully allowed in cabin and hold baggage.
France
DGAC / French Customs (Douane)Liquid & Security Screening Protocol:EU liquid rules in effect (≤ 100ml in 1-liter clear bag). Duty-free liquids in STEB bags allowed.
Biosecurity & Agriculture Rules:Imports of meat, dairy, and plant products from outside the EU are restricted to prevent agricultural pests.
Medication & Prescription Protocol:Personal medications for up to 3 months are permitted. Doctor letter required for narcotics or psychotropics.
Duty-Free Exemption & Customs Limit:€430 duty-free allowance for air travelers over 15 years old.
Key Item Regulations for France:
Melatonin SupplementsMelatonin up to 1.9mg per dose is sold over-the-counter in French pharmacies. Travelers can bring up to a 3-month personal supply.
Vaping & E-CigarettesPersonal e-cigarettes and vape liquids (up to 20mg/ml nicotine) are legal in France. Must be carried in cabin baggage.
Australia
Australian Border Force (ABF) & Department of Agriculture, Fisheries and ForestryLiquid & Security Screening Protocol:International flights strictly enforce 100ml liquid container limits in cabin bags.
Biosecurity & Agriculture Rules:EXTREME BIOSECURITY. You MUST declare ALL food, nuts, seeds, wooden items, and animal products on your Incoming Passenger Card. Failure to declare results in on-the-spot fines up to AUD $6,260.
Medication & Prescription Protocol:Prescription medicines must be declared; max 3-month supply permitted with doctor certificate.
Duty-Free Exemption & Customs Limit:AUD $900 general goods allowance per adult ($450 per child).
Key Item Regulations for Australia:
Cup Noodles & Instant RamenMUST BE DECLARED. Noodles with real meat, egg, or poultry ingredients may be confiscated; vegetarian/seafood broths usually pass.
Cashew Nuts & AlmondsMUST BE DECLARED. Commercially roasted, packaged nuts with shells removed will clear biosecurity inspection.
Canned Tuna & SeafoodMUST BE DECLARED. Commercially canned, shelf-stable tuna in hermetically sealed cans is permitted.
Wooden Photo FramesMUST BE DECLARED. Manufactured and varnished wood photo frames free of bark and insect holes will clear inspection.
Nail Machines & ToolsElectric nail drill machines and beauty tools for personal use are permitted without restriction.
Japan
JCAB / Japan Customs & Ministry of Health, Labour and Welfare (MHLW)Liquid & Security Screening Protocol:Standard 100ml liquid rule for international arrivals and departures.
Biosecurity & Agriculture Rules:Fresh fruits (including bananas and citrus) and meat products strictly prohibited without inspection certificates.
Medication & Prescription Protocol:Strict bans on stimulants and pseudoephedrine (Sudafed, Vicks inhalers). Personal prescription supplies up to 1 month permitted with prescription.
Duty-Free Exemption & Customs Limit:200,000 JPY exemption for personal purchases.
Key Item Regulations for Japan:
EpiPen Auto-InjectorsOne EpiPen auto-injector for emergency personal allergy treatment is permitted into Japan without prior Yakkan Shoumei import certificate. Carry doctor prescription.
United States
TSA / U.S. Customs and Border Protection (CBP)Liquid & Security Screening Protocol:Standard 3-1-1 Rule (containers ≤ 3.4 oz / 100ml in 1 quart clear bag).
Biosecurity & Agriculture Rules:All agricultural items, fresh meats, plants, seeds, and fresh fruits must be declared on arrival.
Medication & Prescription Protocol:Prescription medications in original containers recommended. Up to 90-day personal supply permitted.
Duty-Free Exemption & Customs Limit:$800 exemption per returning resident; currency over $10,000 must be declared on Form FinCEN 105.
Key Item Regulations for United States:
Baby Formula & FoodBaby formula, breast milk, and baby food in reasonable quantities are exempt from the 3-1-1 liquid rule.
Chocolate & Packaged SnacksCommercially packaged chocolates, cookies, and candy are permitted into the US through CBP.
Canada
CATSA / Canada Border Services Agency (CBSA)Liquid & Security Screening Protocol:3-1-1 liquids rule enforced at CATSA checkpoints.
Biosecurity & Agriculture Rules:Strict biosecurity screening on incoming food, wood, and agricultural products.
Medication & Prescription Protocol:Prescription medications must be declared if carrying more than personal 90-day supply.
Duty-Free Exemption & Customs Limit:CAN $800 exemption for stays over 48 hours. Cannabis is strictly illegal to transport across Canadian international borders.
Key Item Regulations for Canada:
Baby Formula Powder & MilkCommercially packaged powdered infant formula up to 20 kg per person permitted for personal use.
Germany
Federal Police (BPOL) / German Customs (Zoll)Liquid & Security Screening Protocol:EU 100ml liquid rule strictly enforced.
Biosecurity & Agriculture Rules:Food imports from non-EU nations restricted (meats, dairy banned).
Medication & Prescription Protocol:Medicines for personal travel permitted for up to 3 months' supply.
Duty-Free Exemption & Customs Limit:€430 exemption for air travelers.
Key Item Regulations for Germany:
Cigarette Allowance200 cigarettes duty-free allowance for non-EU arrivals over age 17.
Frequently Asked International Customs Questions
Can I bring melatonin on a plane into the UK?
Yes. Even though melatonin requires a prescription to buy in UK pharmacies, UK Border Force and MHRA guidelines legally allow international visitors to bring up to a 3-month personal supply in their carry-on or checked baggage.
Can you bring nicotine pouches (ZYN) into Singapore through Changi Airport?
No. Nicotine pouches, snus, and e-cigarettes are strictly banned under Singapore tobacco analogue laws. Possession or importation at Singapore Changi Airport carries heavy fines up to SGD $2,000.
Can I bring cup noodles and cashew nuts into Australia?
Yes, but you MUST declare all food items on the Australian Incoming Passenger Card. Commercially roasted nuts without shells and vegetarian/seafood instant noodles will clear biosecurity, while noodles containing pork or poultry broths may be seized.
Can I bring an EpiPen to Japan?
Yes! Japan Customs permits travelers to bring 1 personal EpiPen auto-injector for emergency allergy management without requiring advance Yakkan Shoumei paperwork. Keep it with your doctor prescription.
Is melatonin legal in France?
Yes! Melatonin supplements up to 1.9mg are sold over-the-counter in French pharmacies, and travelers can bring up to a 3-month personal supply through customs.
Can I bring cooking oil from Malaysia to Singapore?
Yes. Under Singapore Food Agency (SFA) rules, individuals entering Singapore from Malaysia may bring up to 5 kg / 5 L of cooking oil for personal consumption without a commercial import permit.