Original, signed Bangladesh passport with at least 6 months of remaining validity.
Passport-type photograph: 1
Proof of status. Original evidence of your legal status in US (Original of Green card, I-94, I-20, H1B approval notice).
Driver's license. Copy of driver's license, state issued ID, or major utility bill (Water, Gas, Electric, Sewage), showing the applicant's name and current address.
Itinerary. Copy of round trip tickets or itinerary.
Bank statement. Copy of the applicant's most recent monthly bank statement showing proof of sufficient funds (at least $1000). The statement must clearly show the applicant's name as the account holder, the balances of the accounts, and the date of the statement.
Hotel Reservations. Copy of confirmed hotel reservations.
Personal Invitation. If visiting friends or family, you must provide letter of invitation with the contact information of the host and visitor, purpose and duration of the visit, confirmation of accommodation including the address, signature and date. You will also need to provide proof of the host's status in South Korea ie. copy of their South Korea passport's information page, or, if they are not a citizen of South Korea, copies of their South Korea residence permit and their national passport's information pages.