Valid passport;
Application Forms: Form 48/48R (48R THA);
Photograph: One black and white or colour photograph (size 1.5 x 1.5 inches.)
Other: Personal ID card can be used as evidence of identity. House registration, marriage certificate, birth certificate, personnel letters etc. can be used to confirm family ties and relationships
Funds: You must present evidence of personal funds in the form of a current bank book, bank statement or travellers' cheques. Original documents should be presented.
Employment Reference;
Parental consent for children under 18 years;
Fees: See below;
Processing time: normally same day.

Completed application Form 157A .
Completed Confirmation of Enrolment (Acceptance Advice form) from the institution in Australia.
Passport, valid for the intended period of stay in Australia.
One black and white or colour photograph (You will need 2 more for the medical forms).
Original copy of your educational qualifications, including certificates of training courses and course transcripts relating to previous studies.
Certified copies of bank statement(s) of your financial guarantor for the last six (6) months.
Certified copy of your household registration.
Evidence of your employment, if you have ever worked.
Evidence of relationship between you and your financial guarantor.
Fees: See below;
Processing time: normally same day.

A completed application form.
Valid passport for travel to Australia and valid for the length of expected stay in Australia.
A fee of BAHT 1,700 for a short stay business visa and BAHT 4,100 for a long stay business visa
A letter from your employer providing details of your business trip.
An invitation letter from the company in Australia.
If you are not a Thai national, provide original evidence of your immigration status in Thailand.
Please note you may be required to provide additional information.