The ESTA will be valid for two years from the endorsement date (or to the expiry date of your visa if the passport terminates in-between the following two years);
The ESTA can be utilized for multiple entries.
The ESTA must be used for visits as long as 90 days for each stay from the date of entry in the U.S. region.
The ESTA holder is qualified to support tourism and specific business exercises, such as talking with business partners, traveling for logical operations, investigating job opportunities, instructive, expert, or business show or gathering.
The holder of an ESTA isn’t permitted to participate in any work, study, or preparation.