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The subclass 400 visa, officially called the Temporary Work (Short Stay Specialist) visa, is designed for people who need to undertake short-term, highly specialised and non-ongoing work in Australia. It can be suitable for overseas professionals, technical specialists, engineers, tradespeople and other workers whose particular skills, knowledge or experience are needed for a temporary Australian assignment. The visa can allow a stay of up to six months, depending on the circumstances of the application. However, the 400 temporary work visa is not a general Australian employment visa. The proposed work must fit the specialist and temporary nature of the visa, and the applicant must genuinely intend to stay temporarily for the purpose for which the visa is granted. The distinction matters because an ongoing Australian position may require a different visa pathway. This guide explains the subclass 400 Australian visa requirements, eligible work, evidence, application process, costs, conditions, family arrangements and alternatives, with a focus on the questions applicants and Australian businesses are most likely to ask.
The subclass 400 visa, officially known as the Temporary Work (Short Stay Specialist) visa, is designed for eligible overseas workers who need to undertake short-term, highly specialised and non-ongoing work in Australia. The visa can allow a stay of up to six months, depending on the circumstances of the application.
The visa is generally relevant when an Australian business has a specific temporary need for specialist expertise that cannot reasonably be found in the Australian labour market. For example, an overseas technician may need to travel to Australia to install or commission specialised machinery, or an engineer may be required to troubleshoot a complex system using product-specific knowledge.
Unlike a general Australian work visa, the subclass 400 Australian visa is tied closely to the nature and duration of the proposed assignment. Having a skilled occupation or an Australian job offer does not automatically make someone eligible. The application needs to demonstrate that the work is genuinely specialised, non-ongoing and requires the applicant's presence in Australia.
The applicant should be able to demonstrate that their particular skills, knowledge or experience are relevant to the proposed work and that the work is genuinely highly specialised.
This could include expertise involving:
Proprietary equipment or technology
Specialist engineering systems
Complex machinery
Product-specific installation or commissioning
Highly technical troubleshooting
Specialised international systems or processes
Knowledge developed through extensive experience with a particular product or operation
Importantly, having many years of experience does not automatically make work highly specialised. The application should explain what makes the expertise specialised and why the Australian business needs that particular expertise.
This is one of the most important concepts in a temporary work visa subclass 400 application.
Under the Migration Regulations, proposed work is considered non-ongoing where it is likely to be completed within a continuous period of six months or less, and the applicant has not been given an expectation or made arrangements to remain in Australia after that period for a purpose relating to the work.
Therefore, simply describing a position as “temporary” is not enough. The documents should show a genuine end point for the assignment.
The subclass 400 visa is intended for overseas workers who have specialised skills, knowledge, or experience needed for a specific, short-term assignment in Australia. The visa is most relevant where the Australian business has a genuine need for expertise that is not reasonably available in the Australian labour market.
The type of worker who may be considered for a subclass 400 visa can vary by industry. What matters is not simply the applicant's job title, but the connection between their specialist expertise and the proposed Australian work.
Examples may include:
Engineers with specialised knowledge of particular equipment or systems
Technical specialists required to install, commission or test complex machinery
Technicians trained to work with proprietary products or technology
Specialist professionals needed to troubleshoot highly technical systems
Experts with specialised knowledge of an overseas-developed process or product
Technical consultants engaged for a defined project
Specialists required to transfer or implement highly specific technical knowledge
Consider an overseas manufacturer that has supplied a specialised industrial system to an Australian business. The equipment requires installation and commissioning by a technician who has been specifically trained by the manufacturer and has extensive experience working with that particular system.
If the Australian business needs that technician for a defined installation and commissioning project, the circumstances may be consistent with the purpose of the Temporary Work Short Stay Specialist Visa, provided the other visa requirements are also met.
The situation would be different if the Australian business simply wanted to employ an overseas technician in an ongoing position performing routine work. In that case, subclass 400 may not be the appropriate visa.
A useful way to assess whether a proposed worker fits the visa is to consider three questions:
Does the worker have the specialist skills, knowledge or experience required for the assignment?
Why does Australian business need this particular expertise?
Is the proposed work genuinely temporary and non-ongoing?
The answers should be supported by evidence such as the applicant's employment history, qualifications, technical certifications, employer documentation, project information and the Australian business's explanation of the specialist need.
Importantly, being highly experienced in a common occupation does not automatically make someone eligible. The application needs to establish why the specific expertise and proposed work fall within the purpose of the subclass 400 visa.
The subclass 400 visa requirements involve both applicant-specific and assignment-specific criteria.
The regulations require the applicant to have personal attributes, employment background, or both, that are relevant to and consistent with the proposed work. The applicant must also demonstrate a need to be in Australia to undertake that work.
This means the applicant's résumé, qualifications, employment history and proposed duties should form a consistent picture.
For example, if an applicant is travelling to Australia to configure a specialised engineering system, their evidence should demonstrate relevant engineering or technical experience rather than simply general employment history.
The Migration Regulations specifically require work under the Highly Specialised Work stream to be highly specialised.
A useful application therefore explains what makes the work specialised.
This could involve:
Proprietary technology
Specialist machinery
Product-specific knowledge
International systems or processes
Unusual technical expertise
Highly specialised project experience
Expertise developed within an overseas organisation
The applicant does not necessarily need to prove that no Australian worker possesses similar skills. The practical issue is whether the relevant expertise can reasonably be found in Australia for the particular assignment.
The assignment should have a defined scope and expected completion period.
Contracts, project schedules, statements of work and employer letters can help establish:
Start date
Expected completion date
Project duration
Specific duties
Location
Reason the applicant is required
What happens when the assignment finishes
This is especially important when the proposed stay is several months.
The regulations require a genuine intention to remain temporarily in Australia for the purpose for which the visa is granted.
Applicants should therefore avoid presenting the subclass 400 visa as a convenient route to relocate permanently to Australia.
If the real objective is ongoing Australian employment, an employer-sponsored or skilled migration option may be more appropriate.
Applicants must have adequate means, or access to adequate means, to support themselves during their intended stay.
Evidence may include:
Bank statements
Employment income
Employer-provided allowances
Accommodation arrangements
Other evidence showing access to sufficient funds
The amount needed will depend on the applicant's circumstances, travel plans and family situation.
A strong subclass 400 visa application should demonstrate the relationship between the worker, the Australian business and the temporary assignment.
Common supporting evidence may include:
The important point is evidence quality, not document quantity. A generic letter saying that an employee is “highly skilled” is less useful than a detailed explanation of the employee's specific expertise, the Australian project and why that expertise is required.
A business case becomes particularly important when the proposed stay is longer than a short assignment.
The purpose should be to explain why the overseas specialist needs to be physically present in Australia and why the assignment requires the proposed duration.
A useful business case can address:
Explain what the Australian business is doing and what stage the project is at.
Identify the specialist knowledge or experience the applicant brings.
Connect the applicant's qualifications and professional history directly to the project.
Provide a realistic completion date and explain what happens once the assignment finishes.
If several months are requested, explain why the work cannot reasonably be completed sooner.
The regulations also require that the applicant's proposed activities do not adversely affect employment or training opportunities, or employment conditions, for Australian citizens or permanent residents.
A detailed, internally consistent business case can therefore be much more useful than simply attaching a standard employment offer.
The subclass 400 visa application is generally completed online.
Before preparing the application, identify:
What work will be performed?
Why is it highly specialised?
Why is the applicant needed in Australia?
How long will the work take?
Why is the assignment non-ongoing?
What happens after completion?
If these questions cannot be answered clearly, another visa may be more appropriate.
The Australian business should provide a clear contract, letter of offer or other evidence describing the proposed work.
The documentation should align with the applicant's CV and qualifications.
Gather passports, qualifications, professional licences, employment evidence, financial documents and any health or character documents requested.
Applicants can submit the visa application through the Department of Home Affairs' online system and provide the required supporting documents.
The applicant must be outside Australia when the visa is granted.
The Department may request further information, health examinations, biometrics or other evidence depending on the circumstances.
Processing times can vary. Applicants should check the Department's current processing-time information rather than relying on a fixed timeframe published by an immigration website.
This is an important distinction from competitor pages that advertise a particular number of days as though it were guaranteed.
The subclass 400 visa cost should be checked using the Department of Home Affairs' current visa pricing information immediately before application.
Applicants may also need to budget for additional expenses, such as:
Health examinations
Police certificates
Biometrics, where applicable
Document translation
Professional advice
Travel
Accommodation
Health insurance
The subclass 400 visa can permit the holder to remain in Australia for up to six months after first entry, or a shorter period specified by the Minister. The visa can also allow one or, where specified, multiple entries during the permitted stay.
The six-month period is a maximum, not an automatic entitlement.
The length of stay should correspond with the actual temporary work requirement.
For example, a project expected to take six weeks should not necessarily be presented as a six-month assignment simply because the visa permits a longer stay.
Applicants requesting a longer period should provide a clear explanation of why the duration is commercially or technically necessary.
Understanding subclass 400 visa conditions is critical because the visa is purpose-specific.
Primary applicants are subject to condition 8107. In practical terms, this restricts the visa holder's work to the approved employment, position, occupation or activity associated with the visa.
This means a subclass 400 holder should not assume that they can freely change employers or undertake unrelated work.
Condition 8303 may apply to the visa and concerns activities that are disruptive to, or involve violence threatening harm to, the Australian community or a group within it.
Condition 8503 may also be imposed. Where it applies, the holder generally cannot be granted another substantive visa, other than a protection visa, while remaining in Australia.
Always check the actual visa grant notice and VEVO record for the conditions attached to an individual visa.
Eligible members of the primary applicant's family unit may be included in a subclass 400 application, subject to the applicable requirements.
However, accompanying family members should not assume that they receive the same work rights as the primary applicant.
Family applicants should review their own visa conditions carefully and plan for:
Accommodation
Living expenses
Health requirements
Schooling or study arrangements
Travel
Insurance
The family arrangement should also be considered when calculating the financial resources available for the proposed stay.
One of the most common questions is whether the subclass 400 work visa is preferable to another Australian temporary work visa.
The answer depends primarily on the nature and duration of the activity.
Australia's Department of Home Affairs lists subclass 400 alongside other temporary activity and specialist visas and recommends using its Visa Finder if you are uncertain which visa fits your circumstances.
The key distinction is that subclass 400 is designed around short-term specialist work, whereas a longer-term Australian employment arrangement may require an employer-sponsored pathway.
The visa 400 framework is not designed to turn a normal ongoing Australian job into a short-term assignment.
Consider another visa option if:
The position is expected to continue indefinitely.
The employee is being recruited for ordinary ongoing employment.
The proposed work does not require genuinely specialised expertise.
The applicant wants to relocate permanently.
The activity falls under another temporary visa category.
The proposed role does not match the applicant's documented expertise.
Entertainment-related activities also have specific exclusions under the Highly Specialised Work stream, including performing as an entertainer and certain film, television, radio, theatre and concert activities.
A technically experienced applicant can still have a weak application if the evidence does not explain the Australian need.
Common issues include:
Years of experience alone do not establish that the proposed work is highly specialised.
The letter should explain the actual project and the applicant's specialist contribution.
A vague statement that the work is “temporary” is weaker than a defined project timeline.
The proposed duration should be supported by the actual work requirement.
Dates, job titles, duties, employer names and project information should be consistent across the application.
If the applicant's genuine objective is ongoing residence or employment in Australia, another visa strategy may be more appropriate.
The subclass 400 visa is a temporary specialist work visa and should not be treated as a direct permanent-residency pathway.
Its purpose is to facilitate a defined temporary assignment. The applicant must genuinely intend to stay temporarily for the purpose for which the visa is granted.
Someone whose long-term objective is Australian permanent residence should separately investigate skilled migration, employer sponsored or other permanent visa options.
This distinction is particularly important when planning a relocation strategy. A short-term specialist assignment and a long-term Australian career are two different immigration objectives and may require different visa solutions.
The subclass 400 visa is Australia's Temporary Work (Short Stay Specialist) visa. It is designed for eligible overseas workers undertaking short-term, highly specialised and non-ongoing work in Australia.
The visa can permit a stay of up to six months after first entry, although the actual period granted may be shorter depending on the circumstances.
The applicant must be outside Australia when the subclass 400 visa is granted. Applicants should check the current application requirements before lodging.
Yes. The Highly Specialised Work stream requires the applicant to undertake highly specialised work. The applicant must also demonstrate a need to be in Australia for the proposed work.
No. The proposed engagement must be non-ongoing. The regulations define this around work likely to finish within six months or less and the absence of an expectation or arrangement to remain in Australia for a work-related purpose afterward.
The visa is subject to condition 8107 for primary applicants, which restricts work to the approved employment, position, occupation or activity. A visa holder should not assume they can change employers or take unrelated employment.
Eligible family members may be included, subject to the applicable requirements and their individual visa conditions. Their rights should be checked carefully before making employment or study plans.
No individual processing time is guaranteed. Processing can vary according to application completeness, individual circumstances, health or character checks and whether additional information is required.
No. It is a temporary specialist work visa rather than a direct permanent-residency visa. Anyone planning long-term migration should assess separate visa pathways.
The strongest applications clearly connect the applicant's specialist expertise, the Australian business need, the specific work, and the temporary project duration. Supporting documents should tell the same story consistently.
The Subclass 400 Temporary Work Short Stay Specialist Visa can be an effective option when an Australian business genuinely needs overseas expertise for a defined, short-term assignment.
But the visa is narrower than a standard Australian work visa. The central eligibility question is not simply whether the applicant is qualified or whether an Australian employer has offered work. The application needs to demonstrate that the proposed work is highly specialised, non-ongoing and genuinely requires the applicant to be in Australia. The applicant must also intend to remain temporarily and meet the applicable health, character and financial requirements.
For employers, the strongest approach is to clearly document the project, explain the specialist need and establish why the overseas worker's expertise is relevant. For applicants, the focus should be on creating a consistent evidence trail from qualifications and employment history through to the Australian assignment.
If the proposed employment is actually ongoing, or if the applicant's objective is long-term relocation, subclass 400 may not be the appropriate solution. In those situations, comparing the available employer-sponsored or skilled migration pathways before lodging an application can help avoid choosing a visa that does not match the underlying circumstances.
