The most expensive sentence in Australian contracting is “they invoice us, so there’s no super.” Under section 12(3) of the superannuation guarantee law, a person who works under a contract that is wholly or principally for their labour is an employee for super purposes, ABN or not, invoice or not, regardless of what both parties agreed to call the arrangement. The rule is decades old, routinely missed, and newly dangerous: Payday Super restated it inside the qualifying earnings definition and attached a 7 business day clock to every payment, while ATO data-matching from contractor reporting makes the historical exposure easier to find than ever. This guide sets out the test, four worked examples, what part of an invoice actually attracts super, and how to clean up a contractor book before the data does it for you.
Published: July 2026
Most businesses run one classification question: is this worker an employee or a contractor? The super law runs two, and the second is the one that catches people.
Question one is the ordinary classification: employee or independent contractor, assessed under the general law and, for workplace entitlements, the Fair Work Act’s own whole-of-relationship test. Get this wrong and the problems span wages, leave, PAYG withholding and payroll tax.
Question two exists even when question one is answered correctly. The superannuation legislation extends the definition of employee: an individual engaged under a contract wholly or principally for their labour is an employee of the payer for SG purposes only. A worker can be a perfectly genuine independent contractor, correctly classified, running their own ABN, quoting and invoicing, and still be owed superannuation by every business that engages them. The extended definition is not an anti-sham rule aimed at disguised employment. It is a deliberate policy choice to superannuate labour-only contracting, and it applies to arrangements that are completely above board.
Payday Super changed none of the substance and all of the visibility: payments to extended-definition workers are expressly qualifying earnings, each payment date is a QE day, and the contribution must reach the worker’s fund within 7 business days of it. See our Payday Super guide and what the super guarantee costs employers, plus the ATO contractor super guidance. For classification process, use the contractor vs employee classification checklist and the contractor vs employee cost calculator.
An arrangement is wholly or principally for labour, and attracts super, where three things hold together.
One structural gateway sits in front of all three: the extended definition applies to individuals contracting directly. Where the engagement is with an interposed entity, the contractor’s own company, trust or partnership, the contract is with the entity rather than the person, and the mainly-labour rule is generally not engaged. That is a genuine boundary, not a loophole to be manufactured: an arrangement restructured on paper while the reality stays identical invites scrutiny across several regimes at once, and the decision to interpose an entity belongs to the contractor with their own advice, not to a payer’s template.
A digital agency pays six sole-trader freelancers an average of $8,000 ex-GST a month each under personal-service retainers with no real right of substitution. If all six are caught, monthly super is $5,760, or $69,120 a year, never previously provisioned. Under Payday Super that is twelve QE days a month of freelancers alone, stacked on employee paydays. Historical years at the same rate create multi-year SGC exposure that director penalty risk can personalise. This is not a theoretical corner case for construction; professional services hit it constantly.
Where the test is met, SG is calculated on the labour component of the contract, excluding GST. A caught arrangement that is purely labour superannuates the whole ex-GST amount. A caught arrangement that bundles labour with materials or equipment superannuates the labour portion, which is one of several reasons well-drafted contracts and invoices should separate labour from other components: an unsplit invoice invites the least favourable reading of what the labour portion was.
Two administrative consequences follow for the payer. Caught contractors sit inside the super machinery like employees: choice of fund should be offered, fund details collected at onboarding, and contributions paid through the same clearing channel on the same rhythm. And the amounts are payable in addition to the agreed contract price; super cannot be quietly deducted from an invoiced amount that never provided for it, and a worker cannot validly agree to waive an entitlement the statute imposes.
Use the estimate your super contributions tool for go-forward provisioning, and route payment process through finance services. Classification and engagement design often need people and HR support and contracting vs employment guidance as well.
The sharpest edge of this subject is backward-looking. SG obligations to caught contractors that were never paid do not expire quietly: they sit as superannuation guarantee charge exposure for every affected quarter, under the old regime’s harsher settings for periods before July 2026, with director penalty risk attached for companies. Contractor payment data reported through the taxable payments reporting system gives the ATO a ready-made map of who has been paying individuals for services in the highest-risk industries, and matching that map against super contributions is not a difficult query. Build the same map yourself from contractor ledgers and ABN records, then run the mainly-labour test before the data match does it for you. Process support sits in finance services and contractor vs employee classification checklist.
The clean-up sequence for a business that suspects exposure:
A contractor-book review of this kind is a few days of structured work, and it belongs on the same first-quarter checklist as the pay-code review: both are tests of whether the earnings base under your payroll is what your systems assume it is. It is exactly the kind of quiet, foundational engagement an embedded finance team runs early, because everything downstream, BAS, payroll, Payday Super compliance, inherits the answer.
Employee when control, integration and personal service dominate. Pay wages, super, leave and the full employment stack.
Genuine results contractor when fixed price, materials risk and real substitution rights exist. Document the substance, not just the label.
Company contractor when the counterparty is a real interposed entity. Super for the worker sits inside their company; your risk moves to sham and payroll tax analysis if the structure is paper only.
Do not invent a fourth option called “invoice with no super and no analysis.”
Do I have to pay super to a contractor who has an ABN?
If the contractor is an individual engaged under a contract wholly or principally for their labour, yes. The ABN, the invoices and the contractor label are all irrelevant to the extended definition; the arrangement’s substance decides it.
What makes a contract “wholly or principally for labour”?
Three elements together: the person is paid substantially for their personal labour and skills, they must perform the work personally without a right to delegate, and they are paid for effort such as hours or days rather than to achieve a defined result. Fixed-price results contracts with genuine delegation rights sit outside the test.
Does engaging a contractor through their company avoid super?
Where the contract is with an interposed entity such as the contractor’s own company, trust or partnership, the mainly-labour rule is generally not engaged because the agreement is not with an individual. The structure must be real: a paper restructure over an unchanged working reality creates problems of its own.
What part of a contractor’s invoice attracts super?
Twelve per cent of the labour component, excluding GST. Purely labour arrangements superannuate the whole ex-GST amount; bundled arrangements superannuate the labour portion, which is a strong reason to split labour from materials on contracts and invoices.
Do the Payday Super rules apply to contractor super?
Yes. Payments to extended-definition workers are qualifying earnings, so each payment date starts a 7 business day clock for the contribution to reach the worker’s fund, with the same shortfall, notional earnings and uplift consequences as employee super. A caught contractor’s first contribution as a new SG employee also attracts the 20 business day window that applies to new starters.
Can a contractor agree in writing that no super is payable?
No. The entitlement is statutory and cannot be contracted out of, and super owed under the extended definition is payable in addition to the agreed contract price rather than deducted from it.
Is this the same as the employee versus contractor test?
No, and that is the trap. The general classification question governs wages, leave and withholding; the extended super definition operates separately and can make a correctly classified independent contractor an employee for SG purposes alone. Passing the first test says nothing about the second.
What about contractors we should have paid super for in past years?
Unpaid historical obligations sit as superannuation guarantee charge exposure under the old regime’s settings, with director penalty implications for companies. Document the position, fix the go-forward immediately, and take professional advice on quantifying and disclosing the past, because ATO contractor data-matching finds these arrangements routinely and self-correction always outperforms discovery.
Does TPAR reporting increase ATO visibility of contractor super risk?
Yes. Taxable payments reporting creates a map of who paid individuals for services. Matching that map to super contributions is a simple compliance query for high-risk industries.
Should I put caught freelancers through payroll software?
Often yes, at least for SG payment, fund choice and STP-consistent process, even if commercial invoices continue for the contract price. The key is that the contribution lands in the fund on time with clean records.
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We review and check this guide periodically. At the time of writing (July 2026), all information was current. Scale Suite is a registered BAS Agent, not a licensed tax advisor or financial advisor. This content is general information only and does not constitute professional tax, financial, or legal advice. Some details may change over time.
Scale Suite is a Sydney-based provider of outsourced finance and HR services for Australian SMEs. We deliver bookkeeping, financial reporting, payroll processing, fractional CFO support, recruitment, employee onboarding, people and culture support, and fractional HR oversight, all as a fully embedded team that works inside your business.
Employment Hero Gold Partner, CA-qualified, and Xero Certified, we replace fragmented finance and HR processes with one responsive, senior-level function at a fraction of the cost of full-time hires. We serve growing businesses across Sydney, Melbourne, Brisbane, and Perth, with packages starting from $1,500 per month and no lock-in contracts.
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