use the following form.
See: Form 1066 Application for a Temporary Business (Long Stay) visa (subclass 457) (423KB PDF file)

Certified copy of passport.
Certified copies of family members' passports.
Certified copy of marriage certificate or other evidence of defacto relationship.
Certified copies of birth certificates (for dependent children only).

Certified copies of educational qualifications.
Certified copies of employment references.
Curriculum Vitae.
Evidence from a relevant Australian registration or licensing authority that the applicant holds or will be able to meet necessary registration or licensing requirements (if applicable).

Provide one of the following (if known).

• Nomination permission request identifier
• Nomination approval number.

Written statement from employer that they will meet sponsorship undertakings for dependents.
or
Details of accompanying family members provided on the nomination application form.

IASS agreement name.
IASS agreement number.

Evidence that the service seller is a representative of an overseas service supplier.

• a supporting letter from the overseas employer confirming that the service seller is acting on their behalf.

Evidence that the employer is actively engaged in business.

• business registration
• statements of annual financial reports audited by a recognised accountant and/or tax returns
• a statement describing the business activities of the employer and their plans to expand their trade in Australia
• a statement or proposal with details of how the service seller proposes to represent the employer in Australia.

Details of how the service seller intends to support themselves and any family members for the duration of their stay in Australia.