By Chang Min Park | Accredited Specialist in Immigration Law
A damages calculation may assume decades of Australian earnings. A settlement proposal may assume a client can remain here. An employment dispute may turn on whether a worker could lawfully take another job. When those assumptions depend on immigration status, the litigation team needs a clear, evidence-based assessment.
Chang Min Park provides immigration reports, specialist legal opinions, litigation consulting and expert witness services for solicitors, counsel and insurers. The service supports personal injury, employment, family and commercial litigation, with the scope tailored to the dispute and the intended use of the work.
The starting question is practical: what immigration issue needs resolving, and does the team need legal advice, factual evidence or admissible expert opinion?
Where immigration analysis can make a difference
For personal injury practitioners and insurers, immigration analysis can help test the assumptions underlying past and future earnings: permission to work, the duration of lawful stay, realistic pathways to further visas, and the circumstances in which a person might work overseas instead.
For employment litigators, it can clarify the immigration setting of dismissal, interrupted sponsorship or proposed alternative employment. For family lawyers, it can identify immigration assumptions affecting proposed living arrangements or financial negotiations. For commercial litigators, it can inform disputes involving sponsorship commitments, business transactions or alleged migration-related losses.
These are issues to investigate, not predetermined consequences. A temporary visa does not, by itself, establish either lifelong Australian earnings or an inevitable departure on its stated expiry date.
Specialist advice and expert evidence serve different purposes
Specialist legal opinion and litigation consulting can help the legal team interpret legislation, reconstruct the applicable legal framework, identify missing documents and develop submissions or settlement positions.
Expert witness work has a different purpose: assisting the court impartially on an issue properly capable of expert evidence. Australian domestic law is ordinarily for the court to ascertain and apply. A lawyer’s interpretation of immigration legislation does not become admissible expert evidence merely because it appears in an “expert report”.[1]
In proceedings governed by the Evidence Act 1995 (Cth), section 76 states the opinion rule. Section 79 provides an exception for an opinion wholly or substantially based on specialised knowledge acquired through training, study or experience. Relevance and other admissibility requirements still apply.[2]
Queensland state-court proceedings require attention to Queensland evidence law and the applicable procedural rules; the Commonwealth Act’s opinion provisions are not a universal Australian regime. Other courts and tribunals, including family-law forums, require their own procedural assessment.
The proposed evidence therefore needs a defined subject, demonstrated expertise and an admissible purpose. Questions about administrative practice or practical contingencies may require assessment, but cannot simply repackage legal submissions. The instructing team should settle that boundary before commissioning a report for tender.
What the assessment can address
Status and work rights at the relevant dates
The analysis starts with a chronology: visa grants, conditions, applications, decisions, review steps and travel. Lawful presence and permission to work are separate questions. The Migration Act 1958 distinguishes lawful and unlawful status and permits conditions restricting work.[3]
A current status check is useful, but historical questions require historical records. The report or advice can identify what the available documents establish, what remains uncertain, and which dates matter to the pleaded loss. It should distinguish the law operating at the relevant time from later amendments.
Realistic pathways, with and without the alleged wrong
The existence of a visa subclass is not proof that a particular person could obtain it. Analysis needs the applicable criteria, application requirements and evidence of the person’s circumstances. Visa grant depends on the statutory decision-making framework, including satisfaction of relevant criteria.[3]
Depending on the pathway, relevant matters may include qualifications, employment history, sponsorship, age, English language ability, health, relationships and previous visa decisions. The task is to identify supported possibilities and material obstacles, rather than select the most favourable theoretical pathway.
The assessment can compare the actual position with an expressly stated counterfactual: what immigration position might have existed if the alleged injury, dismissal or other conduct had not occurred? Disputed facts should be addressed through alternative assumptions rather than resolved by the report writer.
Departure, removal and overseas contingencies
An assessment can identify legal events and practical uncertainties relevant to continued residence, departure or removal. It should not promise a visa decision date or predict a removal date without a proper basis. Removal depends on the applicable statutory provisions and individual circumstances; visa expiry is not itself a reliable timetable for every subsequent event.[3]
Where overseas residence is a material possibility, the litigation team may also need vocational, economic, medical or foreign-law evidence. An Australian immigration opinion does not establish overseas earning capacity or permission to work in another country.
Two hypothetical personal injury scenarios
Interrupted sponsored employment. Suppose an injured worker cannot resume the nominated role. The relevant questions may include the worker’s existing conditions, other employment options, the sponsor’s position and any alternative visa pathway. The analysis should also ask whether sponsorship would have continued without the injury, and what evidence supports that assumption.
A claimed pathway to permanent residence. Suppose a claimant says that, but for an accident, they would have completed employment experience and obtained permanent residence. A useful assessment identifies the pathway, its requirements at the relevant dates, the steps already completed, the remaining contingencies and the evidence supporting each step.
Both examples are hypothetical. Neither establishes that negligence caused a visa problem or that a particular loss is recoverable. The individual causal sequence, competing explanations and applicable legal test need examination. Immigration analysis can inform that inquiry; liability and damages remain matters for the court.
Independence and a report that can be tested
An expert’s usefulness depends on independence and transparent reasoning, including conclusions that do not assist the retaining party.
In Queensland, UCPR rule 429F requires the expert to assist the court, prohibits acting as a party’s advocate and makes that duty overriding. Rule 429H and Schedule 1C address report content and the code of conduct, including material facts, reasons, qualifications and limitations.[4]
In the Federal Court, the Expert Evidence Practice Note, GPN-EXPT, and its Harmonised Expert Witness Code require impartial assistance and a clear account of assumptions and reasoning. Relevant information must include material helpful and harmful to the retaining party’s case.[5]
The report should make it possible to trace each conclusion to its factual foundation and reasoning. Missing records, unresolved assumptions and matters outside the author’s expertise should be identified expressly.
How to brief Chang Min Park
An effective engagement begins with the proposed role, the parties and a conflict check. The letter of instruction should identify:
- the court or tribunal, issues in dispute and relevant orders or expert code;
- the intended use: advice, litigation consulting, mediation or proposed evidence;
- precise questions, relevant dates and any alternative factual assumptions;
- the documents supplied, known gaps and material adverse to the proposed case; and
- reporting, conference and hearing dates.
Useful records may include visa grant and decision notices, applications and supporting documents, departmental correspondence, review documents, employment and sponsorship records, pleadings, witness statements and relevant medical or vocational reports.
The engagement can cover initial issue identification, requests for further material, report preparation and responses to clarification questions. Where expert evidence is appropriate, it can also include supplementary reports, expert conferences, joint reports and oral testimony, subject to the forum’s rules and directions.[4][5]
Discuss disclosure and privilege before commissioning the work. In particular, Queensland UCPR rule 212(2) provides that a document consisting of an expert’s statement or report is not privileged from disclosure. Labelling a report “confidential” does not settle that question.[4]
Discuss the immigration issue in your matter
Chang Min Park is an Accredited Specialist in Immigration Law through the Queensland Law Society. The Society’s public register records his admission on 8 October 2010.[6]
To discuss specialist advice, an immigration report or an expert witness engagement, contact Park & Co Lawyers. Include the parties’ names for conflict checking, the forum, the immigration question and key dates. Scope, availability and fees can then be confirmed against the proposed brief.
General information, reviewed 7 November 2026. The appropriate form of assistance depends on the matter and the forum.
Sources
- Federal Court, Justice Davies, “Tax Stability”, paragraph 21, quoting Allstate Life Insurance Co v ANZ Banking Group Ltd (No 6) (1996) 64 FCR 79, 82–83; see also Evidence Act 1995 (Cth), s 143.
- Evidence Act 1995 (Cth), ss 4–5, 55–56, 76, 79 and 135.
- Migration Act 1958 (Cth), ss 13–15, 41, 46, 65, 68, 82 and 198. Particular pathways require the applicable regulations and instruments.
- Uniform Civil Procedure Rules 1999 (Qld), rr 212(2), 428–429B, 429E–429I, 429K and sch 1C.
- Federal Court Expert Evidence Practice Note (GPN-EXPT), paragraphs 2.2–2.4, 3.1–3.4, 4.1–4.5, 5.1–5.3 and Parts 7–8; Annexure A, clauses 2–7.
- Queensland Law Society: Chang Min Park.