If visiting Galapagos Islands then you must pre-register online and then obtain a Transit Control Card at Quito or Guayaquil airport by paying a fee of 10 US Dollars.
Passport in original with minimum 6 months validity
One recent photograph, preferably with white background (4×6 cm)
Return confirm flight ticket. If you are intended to return by road, you must have a cover letter stating this with the valid visa of the next country, i.e.,Thailand or Vietnam. Please be informed that you can not get Visa on Arrival in Thailand if traveling overland from Cambodia at Aranyaprophet Checkpoint. But if you already have a valid visa for Thailand, you can enter in Thailand via this checkpoint.
Bank Statements, Credit Card Copy or at least 500 USD in Cash as a proof of sufficient fund for as per stay.
Visa Validity: The visa allows a maximum stay up to 90 days.