■Foreign applicant must hold a passport that was granted a Non-Immigrant Visa and has been permitted to stay in the Kingdom of Thailand with one-year visa extension for the total of at least 3 consecutive years up to the application submission date.
■Foreign applicant who is at least 14 years old as of the application submission date must be checked of his criminal records.
■Foreign applicant shall reveal information on his/her income, assets, knowledge, vocational ability, and family status in terms of connection with Thai national conditions on national security or others as deem appropriate for the consideration.
■Foreign applicant must be able to understand and speak the Thai language.