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GST credits are not a special hiring subsidy. They generally recover GST paid or payable on eligible business purchases; wages themselves do not generate GST credits under the Australian and Canadian guidance covered here. To estimate cash potentially available for hiring, calculate your organisation’s net GST position for its reporting period, then assess hiring costs separately against the resulting cash position.
The rules and rates depend on the country. The worked rate example below is for Australia’s 10% GST; use the rules and return method for your own jurisdiction before relying on any estimate.
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What “GST savings” means for a hiring budget
In this context, “GST savings” is best treated as a cash-flow estimate, not as a separate pool of money created by hiring. Eligible GST credits can reduce the GST otherwise payable on a return or contribute to a refund, depending on the jurisdiction and the organisation’s return position. They do not, by themselves, promise a particular hiring amount.
Keep the tax calculation and the employment budget separate. First estimate the GST payable or refundable using the organisation’s sales, eligible purchase credits and applicable return adjustments. Then compare the resulting cash position with the full cost and timing of hiring. Do not count all GST shown on purchases as recoverable, and do not add gross purchase amounts to a hiring budget as if the tax were automatically claimable.
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Answer the wage question first
Can you claim GST on wages? Generally, no under the Australian and Canadian guidance described here. Wages are remuneration paid to employees, not a GST-bearing purchase that creates an input credit. The Australian Taxation Office (ATO) guidance states that a business is not able to claim a GST credit for wages paid to staff. The Canada Revenue Agency (CRA) states that salaries, wages, commissions, gratuities and other cash remuneration paid to employees are not subject to GST/HST.
That does not mean employment costs are irrelevant. Wages, payroll taxes, benefits and other costs belong in the hiring budget and cash forecast. They simply do not belong in the GST-credit numerator. Treating payroll as a recoverable tax item will overstate the amount available to hire.
Start with the rules for your country
GST treatment is jurisdiction-specific. Australia’s GST credit rules and 10% calculation example should not be applied to a Canadian GST/HST return. Canada also has GST/HST and province-specific rate considerations, so use the rates and return method applicable to the organisation’s location and circumstances.
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|---|---|---|---|
| Australia | A GST-registered business may claim credits for GST included in eligible business purchases, subject to conditions. Australian Taxation Office guidance on GST credits. | The ATO guidance says a business cannot claim GST credits for wages paid to staff. | The ATO guidance describes conditions including business use, GST included in the purchase, payment or liability for payment, and a tax invoice for purchases over $82.50. It also describes exclusions and a four-year claim limit; check the guidance for the circumstances and current applicability. |
| Canada | A GST/HST registrant may generally claim input tax credits (ITCs) for tax paid or payable on purchases and expenses related to commercial activities. Canada Revenue Agency guidance on ITCs. | The CRA says salaries, wages, commissions, gratuities and other cash remuneration paid to employees are not subject to GST/HST. CRA guidance on GST/HST and benefits. | Eligibility depends on factors including registration during the reporting period, commercial use, tax paid or payable, adequate evidence and the claim time limit. Allocation and special rules can apply. |
The Australian threshold, four-year limit and 10% arithmetic below are not Canadian rules. For Canadian expenses, use the CRA’s guidance on commercial-use allocation and eligibility percentages, including any special rules that apply to the organisation or expense: CRA ITC eligibility percentage guidance.
Define the period and the question you are answering
Decide whether you are estimating a filed return, a current-period forecast or a hiring scenario. Use one GST reporting period and one jurisdiction throughout the worksheet. Mixing invoices from different periods, or combining an Australian calculation with a Canadian one, makes the result difficult to reconcile.
Write down the period end, filing frequency, registration status and whether the estimate is prepared on the organisation’s normal accounting basis. Note whether figures are tax-inclusive or tax-exclusive. This simple header prevents a common error: dividing a tax-exclusive amount by a divisor that applies only to a GST-inclusive price.
Also state what “available to reinvest” means. It may mean a lower payment when the return is lodged, an expected refund, or cash left after the payment date. Those are different dates and can produce different hiring decisions even when the tax calculation is identical.
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Calculate eligible credits from records for one return period
Use the same reporting period as the GST return you are estimating. Start with purchases and expenses recorded for that period, then determine which amounts actually qualify under local rules. The total GST shown on invoices is only a starting point; the claimable amount may be lower or zero.
- List GST-bearing purchases and expenses. Use invoices and accounting records for the return period. Include only transactions for which GST or GST/HST was actually charged or is otherwise eligible under the applicable rules. Record the supplier, invoice date, total price, tax amount, payment or liability status and the business purpose.
- Confirm registration and commercial connection. Check that the organisation was registered for the relevant period and that the expense relates to its business or commercial activity. An expense can be genuine and useful yet still fail the credit test if the required registration or connection is absent.
- Remove ineligible or restricted items. Exclude purchases that are private or unrelated to business or commercial activity, GST-free or zero-rated purchases, input-taxed purchases where credits are unavailable, unsupported claims, purchases from unregistered sellers where no GST was charged, and items restricted by local rules.
- Allocate mixed-use purchases. Where an expense serves both business and private purposes, apply the permitted business-use or commercial-use share rather than claiming the entire tax amount. Document the allocation method and keep it consistent. In Canada, the CRA’s ITC eligibility-percentage guidance explains allocation by commercial use and notes that special rules apply to some entities and expenses.
- Check the tax was paid or is payable. The relevant rule may require payment or liability for payment. Do not treat a draft quote, cancelled invoice or uncompleted transaction as an eligible purchase without confirming the local rule.
- Check evidence and timing. Confirm that the organisation meets registration and record requirements and that the claim is within the applicable time limit. For the Australian guidance cited above, a tax invoice is required for purchases over $82.50; the same guidance identifies a four-year claim limit. Those details are specific to Australia and should be checked for the organisation’s circumstances.
- Sum the allowable tax amounts. Add only the GST credits or ITCs remaining after eligibility checks and any use allocation. Keep the supporting calculation linked to the underlying transaction records.
A worksheet that exposes the assumptions
A practical schedule can have these columns: supplier and invoice number; purchase date; total price; GST or GST/HST shown; business or commercial-use percentage; allowable credit; exclusion reason, if any; evidence location; and claim period. Add a status such as included, excluded or review. Summing only the included rows makes the forecast auditable and prevents uncertain items from quietly inflating the hiring figure.
For a forecast, retain a separate column for expected rather than received invoices. When the invoice arrives, replace the estimate with the documented tax amount and re-run the total. This is especially useful when a large purchase could materially change the anticipated payment or refund.
Australian 10% example: GST included in a purchase price
For a GST-inclusive Australian purchase at the 10% rate, the GST component is the total price divided by 11. A purchase costing $352 including GST contains $32 GST: $352 ÷ 11 = $32. This is the embedded tax arithmetic, not a guarantee that $32 can be claimed. The purchase must still satisfy the applicable credit conditions, and any mixed-use allocation or restriction may reduce the claim. The ATO provides the calculation method in its guidance on calculating GST on purchases.
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Apply the Canadian ITC approach without importing an Australian rate
For a Canadian organisation, identify GST/HST paid or payable on purchases and expenses related to commercial activities, then apply the CRA’s eligibility and commercial-use rules. The percentage may differ by expense or entity, and special rules can apply. Do not insert a 10% rate or the Australian one-eleventh formula into a Canadian worksheet.
Record the tax actually charged, the commercial-use percentage, the evidence supporting the claim and the period in which the ITC is claimed. Confirm that the organisation was registered during the relevant reporting period and that the claim is within the CRA time limit. If an expense has both commercial and non-commercial use, show the allocation rather than claiming the full tax amount.
Estimate the net GST position, not just the credits
Eligible purchase credits do not by themselves tell you how much cash the organisation can deploy. Compare them with GST collected on taxable sales and account for other adjustments using the return method for the jurisdiction. The result is the period’s net GST amount payable or refundable; it is not necessarily an amount separately earmarked as “savings.”
A useful planning sequence is:
- Determine GST collected on taxable sales for the reporting period, using the organisation’s records and local return rules.
- Calculate eligible purchase credits or ITCs using the eligibility checks above.
- Apply other return adjustments required for that period and jurisdiction.
- Use the jurisdiction’s return method to determine the net amount payable or refundable.
- Consider the expected timing of payment, refund or other cash movements before treating the estimate as available cash.
- Reconcile the forecast with the filed return and explain every material difference.
In simplified planning terms, a period with GST collected greater than eligible credits is likely to require a net payment, while eligible credits greater than GST collected may contribute to a refund or reduce other amounts due. The actual return can include adjustments and rules that change that simple comparison.
Do not assume that simply subtracting a purchase-credit total from sales tax collected produces the complete return figure in every case: adjustments and reporting rules may affect the result. If a transaction’s treatment is uncertain, resolve its eligibility before including it in the forecast.
Translate the tax result into cash timing
A tax reduction is not automatically cash in the bank on the day an invoice is entered. Map the expected filing date, payment due date or refund timing, supplier payment date and payroll dates on a cash calendar. A refund that arrives after the next payroll cannot fund that payroll without another source of cash.
Use three figures in management reporting: the estimated net GST amount, the expected settlement date and the amount that remains after the settlement. Label the amount as a forecast until the return is prepared and supporting evidence is complete. If the organisation normally keeps a tax reserve, do not treat that reserve as hiring capacity merely because a large purchase credit is expected.
Build the hiring scenario separately
Once the organisation has a defensible estimate of its post-return cash position, model hiring against that position. Wages are an employment expense, not a GST-bearing purchase that creates credits under the Australian and Canadian guidance cited here. The ATO explicitly excludes staff wages from GST credits; the CRA says cash remuneration paid to employees is not subject to GST/HST.
For a hiring decision, compare the expected cash position with the total employment cost and the period over which the organisation must fund it. Include wages and other employment costs relevant to the organisation’s budget, and account for when those costs fall due. Where benefits or non-cash remuneration have their own tax treatment, assess them under the applicable payroll and GST/HST rules rather than assuming they follow wages.
A useful hiring worksheet shows the proposed start date, pay-cycle dates, wage cost by period, employer costs included by the organisation, recruiting or onboarding costs, and the minimum cash buffer required after each payment. Subtract the expected net GST settlement from cash only once, on its actual payment or receipt date. The GST estimate is one input to cash planning; it is not a payroll allowance or a tax authority’s approval of a hiring budget.
Compare two periods or hiring scenarios consistently
To see whether a change in operations affects the cash available for hiring, compare periods or scenarios under the same jurisdiction, reporting method and assumptions. Otherwise, differences may reflect a change in tax treatment or timing rather than a real change in operating cash.
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- GST collected on taxable sales.
- GST paid or payable on potentially eligible expenses.
- Business-use or commercial-use allocation for mixed-use costs.
- Purchases that are disallowed or specially treated.
- Registration status and whether records support the claims.
- Claim timing, including invoices expected but not yet available.
- The resulting net payable or refund after applicable adjustments.
- The settlement date and cash remaining after tax payment or refund.
- The resulting cash position compared with total employment cost and the organisation’s funding runway.
Keep the inputs visible in the comparison. A higher purchase-credit total does not necessarily mean a larger hiring budget if sales tax collected, adjustments, claim timing or other cash needs also change. When comparing business units, apply the same allocation policy and check whether one unit has expenses that are GST-free, input-taxed or otherwise restricted.
Common calculation errors to avoid
- Calling every purchase’s GST a saving. Only eligible tax amounts count; private, unrelated, unsupported or restricted expenses may not qualify.
- Using the wrong country’s method. The Australian 10% divisor and invoice threshold do not establish the calculation for Canada or any other jurisdiction.
- Confusing a tax-inclusive and tax-exclusive price. The Australian one-eleventh formula applies to a GST-inclusive amount in the stated 10% example. Applying it to a tax-exclusive subtotal gives the wrong tax component.
- Claiming the full tax on mixed-use costs. Apply the appropriate business or commercial-use allocation where required.
- Putting wages in the credit total. Under the Australian guidance, wages paid to staff do not generate GST credits; the CRA says cash employee remuneration is not subject to GST/HST.
- Assuming a supplier charged tax when none appears. A GST-free, zero-rated or unregistered-supplier transaction cannot be turned into a credit by estimation.
- Ignoring registration and evidence. A credit forecast without registration checks, invoices or other required records is only a scenario, not a defensible claim.
- Claiming outside the permitted period. The Australian guidance cited here describes a four-year limit; other jurisdictions and circumstances can differ.
- Forecasting from credits alone. The net position also depends on GST collected on taxable sales and applicable return adjustments.
- Treating a refund or reduced liability as guaranteed hiring cash. The estimate is period- and evidence-dependent, while hiring creates costs on their own schedule.
Records that make the estimate defensible
Keep a working schedule by reporting period that links each included purchase to its invoice or other required evidence, tax amount, business or commercial-use share, eligibility decision and any adjustment. Separate excluded or uncertain expenses rather than silently counting them. This makes it easier to review the calculation, update an estimate when evidence arrives and explain why a forecast differs from the filed return.
Use a consistent file naming convention and retain the calculation with the return workpapers. Reconcile the schedule to the general ledger, investigate differences between the ledger tax balance and the schedule, and have a second reviewer check large or unusual items. Accounting or GST recordkeeping software may help organise invoices and eligibility fields, but software does not decide whether an expense qualifies under the law.
For Australia, confirm invoice requirements and the claim time limit against the ATO guidance for the specific purchase. For Canada, confirm registration, commercial-use allocation, evidence and timing against CRA ITC guidance. If the organisation has unusual activities, mixed-use expenses or entity-specific rules, do not assume that a general example resolves the treatment.
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Frequently asked questions
How much GST can my organisation claim back?
There is no single percentage for every organisation. Add GST or GST/HST on eligible purchases for the reporting period, reduce mixed-use amounts by the permitted business or commercial-use share, remove restricted items, and apply the jurisdiction’s return rules. The result is a credit total, not necessarily a refund.
Can I claim GST on wages?
Not under the Australian and Canadian guidance described here. Australian guidance excludes wages paid to staff from GST credits, and CRA guidance says cash employee remuneration is not subject to GST/HST. Budget wages as employment costs instead.
Is GST on every business expense recoverable?
No. The expense must meet the local eligibility conditions. Private or unrelated costs, GST-free or zero-rated purchases, input-taxed items where credits are unavailable, unsupported claims and restricted expenses may produce no credit.
What if a purchase is partly personal and partly business?
Claim only the permitted business or commercial-use share. Record the allocation basis and retain evidence. Claiming the entire tax amount on a mixed-use purchase can overstate the credit.
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Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallDoes the Australian $82.50 invoice threshold apply in Canada?
No. The $82.50 threshold and the four-year limit cited here come from the Australian guidance and should not be transplanted into a Canadian calculation. Follow CRA documentation and timing rules for the Canadian organisation.
Does a $352 Australian invoice always produce a $32 credit?
No. At the stated 10% GST-inclusive rate, $352 contains $32 of GST, calculated as $352 divided by 11. The credit could be lower after a mixed-use allocation or zero if the purchase fails an eligibility or evidence requirement.
Should I subtract credits from GST collected to set the hiring budget?
Use that comparison to estimate the net GST position, but do not set the entire hiring budget from it. Include other return adjustments, settlement timing, existing cash commitments and the full employment cost.
Can an expected refund fund a new employee’s first pay?
Only if the refund is expected to arrive before the payroll commitment and the organisation has enough cash for delays or changes. Treat the refund as forecast cash until the return is filed and accepted.
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Keep invoices or other required evidence, the tax amount, supplier and date, registration details, business or commercial-use allocation, eligibility decision, claim period and any adjustment. Link the schedule to the accounting records and filed return.
When should I obtain professional advice?
Seek local advice when activities are mixed, expenses are unusual, registration changed during the period, records are incomplete, or the proposed credit is material to payroll or runway. A general example cannot resolve entity-specific rules.
Frequently Asked Questions
Can I claim GST on wages?
Generally no under the Australian and Canadian guidance covered here. Wages are employment costs, not GST-bearing purchases that generate credits or ITCs.
How do I calculate GST credits on business purchases?
List GST-bearing purchases for one return period, remove ineligible items, apply business or commercial-use allocations, verify evidence and timing, then sum the allowable tax amounts.
Is the Australian one-eleventh formula universal?
No. It applies to a GST-inclusive Australian purchase at the stated 10% rate. Use the rate and formula required by your own jurisdiction.
How do GST credits affect hiring?
They may reduce a GST payment or contribute to a refund, improving cash flow. Compare that post-return cash position with the full employment cost; credits are not a payroll subsidy.
The Bottom Line
Calculate eligible GST credits or ITCs from documented business purchases for one reporting period, apply all use allocations and restrictions, and combine the result with GST collected and other return adjustments. Then model wages and employment costs separately, using the actual settlement timing. The resulting figure is a cash-flow estimate—not a guaranteed hiring credit.
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