How Does PAYG Withholding Work

What is PAYG withholding?

PAYG withholding is an Australian system where businesses withhold tax from payments they make to others and remit those amounts to the ATO. It most commonly applies to employee wages and salaries, but it can also apply to director fees, certain contractor arrangements, and payments to suppliers who have not quoted an ABN.

It is different to PAYG instalments. Instalments are your own business income tax prepayments. Withholding is tax you collect from payments to others and pass on to the ATO.

Who needs to register and when

• Employers paying employees or directors generally must register for PAYG withholding before the first pay run.
• Contractors: usually you do not withhold from contractors, unless you have a voluntary agreement, the arrangement is labour‑hire, the contractor is treated as an employee, or they do not quote an ABN (47% must be withheld unless an exception applies).
• Payments to some foreign residents may require withholding depending on the nature of the payment.
• Sole traders drawing money from their own business do not withhold from those drawings.

You can register for PAYG withholding through the ATO, usually via ABR/Online services, or your tax/BAS agent can register on your behalf.

How does PAYG withholding work each pay run?

Reporting and paying the ATO (W1/W2 and due dates)

After running payrolls, you periodically report totals and pay tax withheld:

• W1 is total gross wages and other relevant payments.
• W2 is the total tax you withheld from those payments.
• You report W1 and W2 on your BAS (or IAS if required) and pay the W2 amount by the due date shown on your form.
• Payment frequency depends on your withholder status: small (generally quarterly), medium (generally monthly), and large (earlier cycle). Always check your ATO notices and software settings.

Reconcile STP year‑to‑date figures to your general ledger and BAS to ensure W1/W2 are accurate before lodging.

Contractors, ABNs and the 47% rule

For genuine contractors, you typically do not withhold unless one of these applies:

• The contractor does not quote an ABN when one is required — you must withhold 47% unless an exception applies.
• You have a voluntary agreement in place to withhold amounts from payments to the contractor.
• The arrangement is through a labour‑hire firm or is, in substance, employment.

Keep proper invoices, ABN checks and agreements on file to support your treatment.

Common mistakes that trigger penalties

• Paying net wages but forgetting to lodge STP on or before payday.
• Misclassifying employees as contractors to avoid withholding and super.
• Using wrong tax scales or not updating for current financial year tables.
• Not reconciling STP totals to the BAS W1/W2 and ledger before lodgement.
• Missing BAS/IAS due dates or paying the wrong amount to the ATO.
• Forgetting the 47% no‑ABN withholding when required.

A short review usually prevents these issues and avoids interest and penalties.

Set‑up checklist to get PAYG withholding right

• ATO registrations active: ABN, TFN, GST (if applicable), PAYG withholding.
• STP‑enabled payroll software configured and connected to the ATO.
• TFN declarations and super choice forms collected and filed.
• Pay items mapped to correct STP Phase 2 reporting categories.
• Payroll calendar and BAS/IAS cycle aligned with your withholder status.
• W1/W2 review process and month/quarter‑end reconciliation checklist in place.