Australia

Borders, customs and biosecurity in Australia

A border force inside a department rather than beside it, holding customs, immigration and maritime powers together — and biosecurity kept entirely outside it, in two other portfolios.

Fact-checkedSafety review clearedLast updated 18 September 2026Last reviewed 18 September 2026

Facts verified: September 2026

This is a static reference page, not a live feed — check anything you intend to act on with the official source.

The border force is inside the department, not beside it. The simplified outline of the Australian Border Force Act 2015 opens: "There is an Australian Border Force within the Department." That single preposition is the structural fact. Canada’s border agency is a body corporate with its own legal personality; the United States establishes its border agency in a department as an agency; Australia places the Force within the Department itself.

One body holds the powers that other systems divide. The same outline records that the Commissioner and the public servants in the Force "are able to exercise powers under the Customs Act 1901, the Migration Act 1958, the Maritime Powers Act 2013 and other Commonwealth laws". Customs, immigration and the maritime domain are exercised by one force under three statutes — where the United States divides immigration across three agencies and gives the sea to a separate service, and Canada puts the ground between the ports with its federal police.

Biosecurity is the mirror image of the Canadian arrangement, and it is the sharpest contrast this platform holds on the subject. The Biosecurity Act 2015 runs entirely through two other portfolios: it defines the "Agriculture Department" as "the Department administered by the Agriculture Minister", and its provisions speak throughout of the Agriculture Minister or the Health Minister, the Agriculture Secretary or the Health Secretary, the Director of Biosecurity or the Director of Human Biosecurity, and employees of the Agriculture Department or the Health Department. Neither the Border Force nor the Home Affairs portfolio appears in that scheme.

Analysis

The same question, answered in opposite directions

Two Commonwealth systems, one question: does the body that checks your passport also check what you are carrying for pests and disease? Canada says yes by statute — the Canada Border Services Agency Act defines the agricultural and food-safety statutes as program legislation the Agency administers. Australia says no, just as squarely: biosecurity is administered by Agriculture and Health, and the Force exercises customs, migration and maritime powers instead. Neither is the natural arrangement; both are choices, made in writing, and visible only because both Acts were read. The United States answers a different question again — it keeps its ports and the ground between them in one agency, as Australia does, and then divides the immigration function across three.

One dimension present in many systems does not apply here. Australia is in no customs union, no common travel area and no shared external-border regime of the kind that would make part of its border somebody else’s to administer. Its bilateral arrangements, including the trans-Tasman travel arrangement with New Zealand, were not researched and nothing on this page rests on them.

Uncertainty

What we could not establish

Nothing either agency says about itself is used. abf.gov.au and homeaffairs.gov.au serve client-rendered shells with no page content to an automated request, and no bot protection was bypassed.
The Customs Act 1901, the Migration Act 1958 and the Maritime Powers Act 2013 were NOT read. They are named here only because the Australian Border Force Act names them as the source of the Force’s powers; what those powers are is not established.
Who the Director of Biosecurity and the Director of Human Biosecurity actually are is fixed by sections 540 and 544 of the Biosecurity Act, which fall outside the part of the document that was fetched. This page establishes the portfolios, not the officeholders.
The Australian Federal Police’s role at the border, and any joint maritime command, were not researched. The Force’s maritime powers are stated from its own Act; whether another body operates alongside it at sea is not established here.
Nothing on this page describes enforcement practice, detention, visa decisions, or how any power is exercised against a person. That is deliberate and permanent for this platform, not a gap awaiting research.
The state and territory dimension was not researched. Border and customs functions here are Commonwealth ones, but nothing read establishes that no state body has a role.

Sources

Australian Border Force Act 2015 (No. 40, 2015), sections 3 and 9 — the simplified outline, and the Commissioner’s control of operations
Federal Register of Legislation (Australia) · Legislation · 2015 · link verified 2026-09-18
SCOPE: what the Australian Border Force is, where it sits, and who directs it — and nothing about biosecurity, which is a different Act and a different portfolio. The official consolidated text, read directly through the register’s static document route. Supports s. 3, the simplified outline: "There is an Australian Border Force within the Department"; that the Commissioner "is to have the control of the operations of the Australian Border Force"; that the Commissioner and APS employees in the Force "are able to exercise powers under the Customs Act 1901, the Migration Act 1958, the Maritime Powers Act 2013 and other Commonwealth laws"; and that the Secretary may give directions to Immigration and Border Protection workers to do with the administration and control of the Department. Supports s. 9(2), that the Commissioner "has, under the Minister, the control of the operations of the Australian Border Force". THE STRUCTURAL FINDING IS "WITHIN THE DEPARTMENT": this is not a body corporate like Canada’s agency, nor an agency established in a department like the United States’, but a force inside the department itself, with two directing authorities over the same workers. The register records the Act as administered by the Department of Home Affairs. Establishes nothing about how any power is exercised, nothing about detention, and nothing about the content of the Customs, Migration or Maritime Powers Acts, none of which were read.
Biosecurity Act 2015 (No. 61, 2015) — the definitions placing biosecurity administration in the Agriculture and Health portfolios
Federal Register of Legislation (Australia) · Legislation · 2015 · link verified 2026-09-18
SCOPE: which portfolios administer biosecurity, and nothing more. The official consolidated text, read directly through the register’s static document route. Supports the definition "Agriculture Department means the Department administered by the Agriculture Minister", and "Agriculture Secretary means the Secretary of the Agriculture Department". Supports that the Act’s scheme runs through the Agriculture and Health portfolios: its provisions speak of "the Agriculture Minister or the Health Minister", "the Agriculture Secretary or the Health Secretary", "the Director of Biosecurity or the Director of Human Biosecurity", and "an APS employee in the Agriculture Department or the Health Department". THE FINDING IS WHO IS ABSENT: neither the Australian Border Force nor the Home Affairs portfolio appears in that scheme, which is the exact opposite of Canada, where the border agency’s own Act defines the agricultural and food-safety statutes as program legislation it administers. LIMITATION: who the two Directors actually are is fixed by ss. 540 and 544, which fall outside the part of the document fetched and were NOT read. This record establishes the portfolios, not the officeholders. Establishes nothing about biosecurity procedure at the border, and nothing about what is inspected.