税関・持込ガイド：🇺🇸 アメリカ
アメリカへの入国時に税関で許可されている持込品 — 免税範囲、持込禁止・規制品、医薬品の公式規則。
公式確認済み · 税関当局： U.S. Customs and Border Protection (CBP) / TSA · 最終検証日
以下の全項目は、検証日に税関当局の公式文書から取得した一次情報に基づいています。
空港保安検査と税関の違いについて 空港の保安検査（TSA/CATSA — 手荷物検査場を通過できるか）と入国税関（国への持込が許可されているか）は全く異なる規定です。このページではアメリカ到着時の税関規則を解説しています。保安検査場のルールについては品目別ガイドをご確認ください。
免税範囲・持込制限
Returning US residents receive an $800 personal exemption (after 48 hours abroad; once every 30 days). Non-resident visitors may bring up to $100 in gifts. Tobacco: 200 cigarettes (1 carton) and 100 cigars. Alcohol: 1 liter (33.8 fl oz) duty-free for travelers 21 years of age or older. Family members living in the same household may combine individual duty-free exemptions.
“Returning resident travelers are generally allowed to bring up to $800 worth of merchandise duty-free, including 1 liter of alcoholic beverages (adults 21+), 200 cigarettes and 100 cigars.”
“Non-residents may bring in free of duty 200 cigarettes or 50 cigars or 2 kilograms (4.4 lbs.) of smoking tobacco, or proportionate amounts of each, and 1 liter of alcoholic beverages.”
持込禁止品・規制品
Absolute prohibitions: illicit narcotics, counterfeit goods, switchblades, items from sanctioned/embargoed countries (Cuba, Iran, North Korea), and dog/cat fur products. Strictly restricted: fresh fruits, vegetables, meat products, plants, soil, firearms, ammunition, and wildlife products protected under CITES. Note: Real ID is mandatory for all domestic US air travel identity verification at TSA checkpoints.
“Fresh fruits, vegetables, meat, and unprocessed animal products are prohibited or strictly restricted to protect US agriculture from foreign pests and diseases.”
“Real ID enforcement requires state-issued driver's licenses and identification cards to be Real ID compliant for boarding domestic commercial aircraft.”
医薬品・処方薬の持込ルール
Prescription medications must be in original labeled pharmacy containers with the patient's name and doctor's prescription. Travelers may carry up to a 90-day personal supply. Controlled substances (narcotics, sleep aids, stimulants) must be declared to CBP officers at port of entry. Foreign medications not FDA-approved may not be imported unless meeting personal importation exemption criteria.
“Medications should be in their original packaging with personal prescription labels. Do not carry more than a 90-day supply. Declare all medications upon entry.”
“Travelers must declare all drugs, medicinals, and similar products to the appropriate CBP official.”
アメリカの税関に関するよくある質問
アメリカの免税範囲（持込上限）はどうなっていますか？
Returning US residents receive an $800 personal exemption (after 48 hours abroad; once every 30 days). Non-resident visitors may bring up to $100 in gifts. Tobacco: 200 cigarettes (1 carton) and 100 cigars. Alcohol: 1 liter (33.8 fl oz) duty-free for travelers 21 years of age or older. Family members living in the same household may combine individual duty-free exemptions.
アメリカの税関で持込が禁止・規制されている品目は何ですか？
Absolute prohibitions: illicit narcotics, counterfeit goods, switchblades, items from sanctioned/embargoed countries (Cuba, Iran, North Korea), and dog/cat fur products. Strictly restricted: fresh fruits, vegetables, meat products, plants, soil, firearms, ammunition, and wildlife products protected under CITES. Note: Real ID is mandatory for all domestic US air travel identity verification at TSA checkpoints.
アメリカに医薬品や処方薬を持ち込めますか？
Prescription medications must be in original labeled pharmacy containers with the patient's name and doctor's prescription. Travelers may carry up to a 90-day personal supply. Controlled substances (narcotics, sleep aids, stimulants) must be declared to CBP officers at port of entry. Foreign medications not FDA-approved may not be imported unless meeting personal importation exemption criteria.
その他の国の税関ガイド
参照した公式情報源・典拠
最終検証日：
公式情報源に基づいて検証済み。規則は変更される場合があります。重要な品目については航空会社および保安当局に直接ご確認ください。 当サイトの検証手法 →
- U.S. Customs and Border Protection (CBP) / TSA — cbp.gov ↗
- U.S. Customs and Border Protection (CBP) / TSA — tsa.gov ↗
- U.S. Customs and Border Protection (CBP) / TSA — fda.gov ↗