Everhour turns tracked billable time into invoices, while Australian tax invoices require GST, ABN, and buyer-detail checks.
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Use this page when you need to prepare an invoice for a customer in Australia and decide whether it must be a tax invoice. A GST-registered supplier must provide a tax invoice within 28 days if a customer requests one for a taxable sale over A$82.50 including GST. The invoice should give the customer enough detail to pay, claim GST credits where allowed, and match the purchase to the goods or services supplied.
A regular invoice still needs commercial basics: seller, buyer, issue date, invoice number, line items, totals, due date, and payment instructions. A tax invoice adds GST-specific information, including the supplier's ABN and the extent to which each sale is taxable. Australia does not set one national B2B payment term, so the due date comes from the contract or invoice terms.
Australia's broad indirect tax is Goods and Services Tax, and GST on a taxable supply is 10% of the value of that supply, normally one-eleventh of the GST-inclusive price. A business generally must register for GST once its GST turnover reaches A$75,000. The threshold is A$150,000 for non-profit organisations, while taxi, limousine, and ride-sourcing providers must register regardless of turnover.
A valid Australian tax invoice must clearly identify itself as a tax invoice and show the seller's identity and ABN, the issue date, what was sold, the quantity and price, the GST amount payable, and the extent to which each sale is taxable. The Australian Business Number is an 11-digit identifier issued through the Australian Business Register. If GST is exactly one-eleventh of the total price, the invoice can state that the total price includes GST instead of showing a separate GST amount.
Invoice totals change the required buyer information. If the total payable on a tax invoice is A$1,000 or more, the invoice must also show the buyer's identity or the buyer's ABN. This is a common missed field when a small job grows after extra time, materials, or reimbursed costs are added to the invoice.
Currency also needs care. If a tax invoice is issued in a foreign currency, it must either show the GST payable in Australian currency or provide enough information to work out the GST amount in Australian currency. Peppol eInvoicing is available in Australia, but ordinary businesses are not subject to a general national requirement to issue B2B invoices through Peppol.
A free invoice is enough for a one-off job, a corrected tax invoice, or a small sale where you already know the line items, GST treatment, due date, and ABN details. It gives you a finished document without setting up a billing workflow, and that is the right level of process for occasional billing.
A managed workflow fits recurring client work, project billing, and teams that invoice from tracked time. Everhour Billing & Invoicing converts tracked billable time and expenses into invoices, calculates amounts from rates while excluding non-billable tasks, supports client settings and invoice customization, and exports invoices to QuickBooks Online, Xero, or FreshBooks with status sync back to Everhour.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
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No. A tax invoice is required when the sale is taxable, the supplier is GST-registered, the sale is over A$82.50 including GST, and the customer requests one. Suppliers that are not registered for GST should not issue tax invoices or charge GST.
The GST-sensitive fields are the tax invoice label, seller identity, ABN, issue date, supply details, quantity, price, GST amount payable, and the extent to which each sale is taxable. For totals of A$1,000 or more, add the buyer's identity or ABN.
Yes. A tax invoice can show the GST amount separately, or state that the total price includes GST when GST is exactly one-eleventh of the total price. Separate GST lines are clearer when an invoice mixes taxable sales with GST-free or input-taxed items.
Australia uses Peppol for eInvoicing, but ordinary businesses do not face a general national requirement to issue B2B invoices through Peppol. A customer or contract can still require a specific electronic format, so check the buyer's onboarding instructions before sending.
The contract or invoice terms set the due date. Australia does not impose one national B2B payment term for ordinary invoices. Put the due date, payment method, bank details, and any late-payment terms in the invoice so the customer has one clear payment instruction.
Everhour Billing & Invoicing turns tracked billable time and expenses into invoices, calculates amounts from rates, and excludes non-billable work. Client settings can carry contact details, taxes, discounts, and payment terms, then invoices can be exported to QuickBooks Online, Xero, or FreshBooks.
Track approved time, rates, expenses, and client settings in Everhour, then generate invoices with status sync to accounting tools for cleaner Australian client billing.
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