Approve a GST/HST input tax credit only after confirming registration, commercial use, tax liability, sufficient evidence and claim timing.[1] 
An input tax credit (ITC) allows a GST/HST registrant to recover GST/HST paid or payable on purchases and expenses related to commercial activities. It is separate from the income-tested GST/HST credit for individuals and families.[1][9]
Apply the mandatory eligibility gate
All five conditions must be met:
- Was the claimant a GST/HST registrant when the tax was paid or became payable?[1]
- Was the purchase acquired, imported or brought into a participating province for commercial activities?[1]
- Did the claimant pay or become liable to pay the GST/HST?[1]
- Was sufficient supporting evidence obtained before the claim?[1]
- Will the ITC be claimed through a GST/HST return within the applicable deadline?[1]
Eligibility applies only to the extent of commercial use. The purchase must also be reasonable in quality, nature and cost relative to the business.[1] A registrant may claim qualifying HST on a commercial purchase made in a participating province even if the business is located elsewhere in Canada.[1]
Confirm the business entitled to claim
Payment alone does not establish entitlement. MNP reports that the claimant generally must be the recipient legally liable to pay for the supply. In one reported case, an invoice naming Company A did not support Company B’s ITC merely because Company B received the goods and paid the charge.[4]
Compare the purchaser named in the records with the GST/HST registrant claiming the credit, particularly where related companies share employees, addresses, purchasing cards or payment systems. If the wrong entity is named, hold the ITC for corrected evidence or accounting review. The supplied sources do not confirm a universal invoice-correction procedure.
An authorized agency arrangement may produce a different result. A principal may be entitled to claim when its agent appears on the purchasing records; the agent cannot claim the principal’s ITC.[1][4][8] Route the transaction for review of the agency relationship.
Check the supporting records
Evidence is not limited to an invoice. Supporting documentation may include:[3][4]
- an invoice, receipt, credit-card receipt or debit note;
- an account book or ledger;
- a written contract or agreement;
- an electronic record; or
- another document validly issued or signed by a GST/HST registrant for a taxable supply.
Use the records together to establish the claimant, tax liability, commercial purpose and amount paid or payable. Sufficient documentary evidence must be obtained before the ITC is claimed.[1][3]
The supplied research does not confirm the mandatory invoice fields or invoice-value thresholds. Do not present internal documentation thresholds as CRA requirements. Hold transactions with incomplete or inconsistent records for further evidence or accounting review.
Flag restricted or ineligible purchases
An eligible expense intended solely for commercial activities may generally support a full ITC, subject to restrictions based on the expense’s type or nature.[1][4][7] For mixed business and personal use, an ITC is available only to the extent of commercial use.[1]
- Exempt activities: Taxable inputs acquired or imported to make exempt supplies are not eligible for an ITC.[1]
- Personal use: The portion relating to personal-use property or services is ineligible.[1]
- Club memberships: Dues or membership fees for clubs mainly providing recreational, dining or sporting facilities are ineligible unless acquired for resale in the business.[1]
- Capital property: Certain capital property is ineligible or receives special treatment. Route these purchases to accounting.[1]
Rent, professional fees, office expenses, utilities, repairs, freight, fuel and travel are examples of costs that may qualify.[1] They must still satisfy the commercial-use, claimant, evidence and expense-specific tests.[1]
Identify special ITC regimes
The registrant’s calculation method may change the treatment of an otherwise routine purchase. Confirm the applicable regime before assigning recurring GST/HST coding.
- Quick method: ITCs are not available for operating expenses. Certain land purchases and property eligible for capital cost allowance may qualify, including computers, vehicles, large equipment and machinery.[1]
- Public service body special quick method: Most purchases and expenses do not generate ITCs, although real property and improvements to real property may qualify.[1]
- Charities: Most charities have restricted ITCs because they use the net tax calculation for charities.[1]
- Selected listed financial institutions: These registrants generally cannot claim the provincial portion of HST because they must use the special attribution method.[1]
Review pre-registration and non-resident charges
A new registrant that was a small supplier immediately before registration may qualify for ITCs based on the basic tax content of commercial-use capital property, real property and inventory held immediately before registration.[1]
For services and advance payments spanning the registration date:
- Pre-registration GST/HST may qualify where the service is supplied after registration.[1]
- Prepaid rent, royalties and similar payments may qualify to the extent they relate to the post-registration period.[1]
- Tax relating to services supplied before registration, or to the pre-registration portion of an advance payment, is not claimable even if paid after registration.[1]
Apply a separate exception process to cross-border digital products, services and platform-based short-term accommodation. A normal-regime GST/HST registrant must provide proof of registration to a non-resident supplier operating under the simplified framework so the supplier does not charge GST/HST.[1] Tax charged because proof was not provided cannot be claimed as an ITC or rebate.[1] Exclude it from recoverable tax and route the charge for supplier correction or accounting review.
Choose an AP outcome
Use these outcomes as an internal control, not as a quoted CRA procedure:
- Approve: Registration, legal recipient, tax paid or payable, commercial use, supporting evidence and regime-specific treatment are supported.[1][3][4]
- Hold: Request more evidence when records are incomplete, the wrong entity is named or the commercial-use allocation is unresolved.[1][3][4]
- Route to accounting: Escalate agency arrangements, mixed or exempt use, capital property, pre-registration timing and special claimant regimes.[1][4][8]
- Exclude from the ITC: Do not claim amounts established as relating to personal use, exempt supplies, restricted club memberships or simplified-framework tax charged because registration proof was not provided.[1]
Record the reason for the outcome and link the supporting invoice, contract, electronic record, ledger entry or other evidence.[3]
Report the ITC and escalate a denial
Report the calculated ITC on line 106 of the registrant’s GST/HST return.[1] An omitted eligible ITC may be included in a later return if it remains within the applicable statutory time limit.[1] The supplied research does not verify the numeric deadlines or their exceptions, so accounting should confirm the deadline for the registrant and transaction.
The supplied sources also do not verify CRA processing timelines, renewal requirements, detailed audit-review procedures, objection deadlines, filing channels or formal appeal stages. A professional source says a Notice of Objection may be needed after a CRA denial, but it does not provide the governing deadline or complete appeal process.[7] Route a denial promptly for guidance based on current CRA requirements or professional advice.
References
- Input tax credits – Canada.ca (canada.ca)
- Input Tax Credit Information (GST/HST) Regulations (gc.ca)
- Preparing Taxes 101: Claiming GST / HST | MNP (mnp.ca, 2019)
- Input Tax Credits (GST/HST) | CRA | SpenceDrake Tax Law (sdtaxlaw.ca, 2021)
- How Do Input Tax Credits Work in Canada? GST/HST ITC Guide (tohme-accounting.com, 2025)
- What Is GST/HST Credit and Who Is Eligible in 2026? Complete Canada Guide (bestax.ca, 2026)



