Purchases not qualified for input tax are those the VAT system refuses to let a registered business credit against its output tax, either because the purchase serves private consumption, lacks a valid tax invoice, falls into a specifically blocked category like passenger cars or client entertainment, relates to exempt supplies, or is claimed after the statutory deadline. When a purchase falls into one of these categories, the VAT paid becomes a final cost to the business rather than a recoverable credit. Knowing the categories in advance is cheaper than discovering them during an audit.
Personal and Non-Business Purchases
Input tax recovery requires a genuine business purpose. Tax paid on goods or services used for personal, domestic, or non-business reasons cannot be reclaimed.1GOV.UK. VAT Guide (VAT Notice 700) The obvious cases are groceries for the owner’s household or furniture for an employee’s private residence. The subtler ones catch more businesses out: gym memberships run through the company, personal insurance premiums, recreational club fees, daily commuting costs, personal grooming, and household utilities paid from a business account.
Mixed-use purchases sit in a grey area. When something serves both business and personal purposes, you must apportion the VAT and claim only the business portion.2HM Revenue & Customs. VAT Business and Non-Business – Principles: Why Is Apportionment of Tax Needed? A laptop used 70% for work and 30% for personal browsing means you recover 70% of the VAT. The burden of proof is yours, and it needs contemporaneous records: usage logs, mileage books, detailed receipts. Without that documentation, auditors routinely disallow the entire claim rather than guess at a fair split.
Purchases Without a Valid Tax Invoice
A perfectly legitimate business purchase can still be blocked if you lack the right paperwork. VAT systems require a valid tax invoice as the documentary basis for any input tax claim, and without one the credit does not exist in the eyes of the tax authority.3GOV.UK. VAT Guide (VAT Notice 700) – Section: 19.5 Evidence of Input Tax
The invoice must come from a VAT-registered supplier and show the supplier’s name, address, and registration number, a unique invoice number and date, a description and quantity of what was supplied, the amount before tax, the rate applied, and the tax charged. Pro-forma invoices and documents marked “this is not a tax invoice” cannot support a claim. If you receive an invoice from an unregistered person and use it to reclaim VAT, you risk both losing the credit and facing penalties for the attempt.4GOV.UK. VAT Guide (VAT Notice 700) – Section: 19.5.1 General
This is where small businesses commonly slip. Cash purchases from market vendors, informal service providers, and overseas suppliers without local VAT registration often produce no valid invoice at all. The purchase is real, the tax was paid, but the credit is gone.
Passenger Vehicles
Most VAT systems block input tax recovery on the purchase, lease, or hire of passenger cars, including fitted accessories and delivery charges.5GOV.UK. VAT Guide (VAT Notice 700) – Section: 10.3 What Cannot Be Claimed as Input Tax A passenger vehicle is generally one designed or adapted primarily for carrying people rather than goods, seating a driver and no more than eight passengers.6Canada Revenue Agency. Type of Vehicle Because cars are easily diverted to personal use, tax authorities block the credit outright rather than police weekend driving.
The test looks at construction and primary design, not how the business says it uses the vehicle. A sedan is still a passenger car even if you only drive it to client meetings. Vehicles built for commercial purposes typically escape the restriction: heavy-duty trucks, panel vans without rear side windows, ambulances, and driving school cars usually qualify for full input tax recovery.
The blockage often extends downstream. If VAT on the vehicle is non-recoverable, VAT on related running costs like repairs, servicing, and accessories may also be blocked, though fuel is sometimes handled separately depending on the jurisdiction. Vehicle-hire fleets, leasing companies, and taxi operators are common exceptions because the vehicle is their stock-in-trade.7GOV.UK. Motoring Expenses (VAT Notice 700/64) – Section: 2. The VAT Definition of a Car
Client Entertainment and Hospitality
Business entertainment is one of the most widely blocked categories, and the rule catches more expenses than most businesses expect. VAT paid on hospitality for clients, suppliers, or other non-employee contacts cannot be recovered, no matter how directly the entertainment connects to winning or keeping business.8GOV.UK. Business Entertainment (VAT Notice 700/65) – Section: 2.2 Definition of Entertainment Tax authorities treat these costs as final consumption by the business rather than an input into further taxable activity.
The definition of entertainment is broad. It covers restaurant meals, catered events, and drinks at a bar; hotel accommodation provided to clients or contacts; tickets to sporting fixtures, concerts, theatre, or exhibitions; and access to clubs, hospitality boxes, or recreational venues.9GOV.UK. Business Entertainment (VAT Notice 700/65)
Staff entertainment is sometimes treated differently. Many jurisdictions allow input tax recovery on entertainment provided to employees, such as a company holiday party or team event, because the cost relates to maintaining the workforce rather than entertaining outsiders. The dividing line is whether the recipient is an employee or an external contact. Mix the two groups at the same event and you may need to apportion the costs.
Purchases Tied to Exempt Supplies
If your business makes supplies that are exempt from VAT, the input tax on purchases used to make those exempt supplies cannot be recovered.10GOV.UK. Partial Exemption (VAT Notice 706) – Section: 2. Partial Exemption in General Common exempt activities include residential property letting, certain financial and insurance services, healthcare, and education. Because no VAT is charged to the customer, the system does not let you claw back the VAT you paid on inputs.
Zero-Rated Is Not the Same as Exempt
The distinction matters enormously for input tax. Zero-rated supplies are technically taxable, just at a rate of 0%, so you can still recover the input tax on purchases used to make them. Exempt supplies sit outside the taxable system entirely, and input tax linked to them is lost. A food manufacturer selling zero-rated staples recovers all its VAT on ingredients and equipment. A landlord renting residential property as an exempt supply recovers none of the VAT on building repairs. Same economic activity, completely different VAT outcomes.
Partial Exemption
Many businesses make both taxable and exempt supplies. A bank might offer taxable advisory services alongside exempt lending. A property company might have commercial tenants paying VAT and residential tenants on exempt leases. These partly exempt businesses must run apportionment calculations to split their input tax between recoverable and non-recoverable portions.11GOV.UK. Partial Exemption (VAT Notice 706)
The standard approach sorts input tax into three buckets: tax directly linked to taxable supplies (fully recoverable), tax directly linked to exempt supplies (not recoverable), and residual tax that relates to both. The residual is split using an apportionment formula, most commonly the ratio of taxable supplies to total supplies.12IRAS. Claiming Input Tax Incurred to Make Exempt Supplies Some jurisdictions offer a de minimis threshold: if your total exempt input tax falls below a set amount, you can recover all of it regardless. Errors here are one of the most frequent causes of back-tax assessments, so record-keeping needs to trace which costs feed which revenue streams.
Claims Made After the Time Limit
Input tax credits are not open-ended. Every VAT system imposes a deadline after which you lose the right to claim, even if the purchase was legitimate and fully documented. In many jurisdictions, the window is four years from the due date of the return in which the entitlement first arose.13GOV.UK. VRM8100 – Time Limits: Overview Miss it and the VAT becomes a permanent cost.
Time limits also affect pre-registration purchases. VAT incurred on goods before registration can typically be reclaimed as long as the goods are still on hand at the date of registration and the VAT was incurred within the applicable window. For services purchased before registration, the qualifying period is often shorter. Businesses that delay registration sometimes discover that months of reclaimable input tax have already expired by the time the first return is filed.
Capital Goods Adjustments
Even a valid input tax claim on a high-value asset is not necessarily final. Land, buildings, computers, ships, and aircraft fall under separate capital goods rules that can claw back input tax you already recovered or, less commonly, grant additional credits.14GOV.UK. Capital Goods Scheme (VAT Notice 706/2) – Section: 1.3 How the Scheme Works
The adjustment period typically runs five intervals for items like computers, ships, and aircraft, and ten intervals for land and buildings.15GOV.UK. Capital Goods Scheme (VAT Notice 706/2) – Section: 6.2 The Adjustment Periods At each interval, you recalculate the proportion of taxable use. If it has shifted since the original claim, you make an adjustment: paying back some of the credit if business use decreased, or recovering additional tax if it increased. Selling the asset during the adjustment period triggers a final calculation covering all remaining intervals at once. A building first used entirely for taxable supplies that later shifts to partly exempt use will generate a series of repayments across the period, so plan for those adjustments when the asset is acquired, not when the tax authority notices.