You should conduct transactions at licensed locations to avoid legal risks:

Commercial banks: Banks such as Vietcombank, BIDV, VietinBank, and Techcombank are the safest options with clearly listed exchange rates.

Licensed gold shops: Only gold shops with a foreign exchange license are permitted to conduct legal transactions.

Airport currency exchange counters: Convenient for departing passengers, but exchange rates are often less favorable than in the city.

To purchase foreign currency (cash or bank transfer), you need to provide documents proving the legitimate purpose of use: HSBC +1

Personal identification documents: Valid Citizen Identification Card/Passport.

Documents proving the purpose:

Tourism/Business trip: Airline ticket, visa (if applicable), official assignment letter.

Study abroad: Admission letter, tuition fee notice.

Medical treatment: Acceptance letter from a foreign medical facility, cost estimate.

Family support: Documents proving the family relationship and residency documents of the recipient abroad.

According to current regulations, when exiting through Vietnam's international border gates, you must declare to Customs if you are carrying more than:

Vietnamese Customs +1

Foreign currency: Over 5,000 USD (or other foreign currencies of equivalent value).

Vietnamese currency: Over 15,000,000 VND