NBR ITP study materials
NBR ITP study resources

NBR ITP key terms

NBR ITP · Get comfortable with the vocabulary.

Assessable Income

The total income a person receives in a year that is subject to tax under the Income Tax Act, before deducting allowable expenses, exemptions, and losses.

Related: Taxable Income, Allowable Deduction
Taxable Income

Assessable income reduced by allowable deductions, set-off of losses, and any exemptions, forming the base on which income tax is computed at the applicable rates.

Related: Assessable Income, Allowable Deduction
Allowable Deduction

An expense incurred wholly and exclusively in producing assessable income that the law permits to be subtracted, such as rent, salaries, and depreciation on qualifying assets.

Related: Taxable Income, Capital Allowance
Capital Allowance

A statutory deduction spread over several years that gives relief for the cost of qualifying capital assets used in a business, instead of deducting the full cost at once.

Related: Allowable Deduction, Depreciation
Depreciation

The accounting allocation of an asset's cost over its useful life; for tax purposes it is generally replaced by capital allowances and is not itself an allowable deduction.

Related: Capital Allowance
Residence

The test determining whether an individual is taxed on worldwide income or only on income from sources within the country, usually based on days present or domicile.

Related: Source Rule, Withholding Tax
Source Rule

The principle that decides which country may tax a particular item of income by reference to where the activity, asset, or payer generating it is located.

Related: Residence, Withholding Tax
Withholding Tax

A tax deducted at source by a payer from payments such as dividends, interest, royalties, or service fees, and remitted to the revenue authority on the recipient's behalf.

Related: Source Rule, Tax Credit
Tax Credit

An amount subtracted directly from the tax otherwise payable, often granted for tax already paid abroad or withheld at source, so it reduces the liability itself.

Related: Withholding Tax, Double Taxation
Double Taxation

The imposition of comparable taxes by two jurisdictions on the same income or capital, typically relieved through tax treaties, credits, or exemptions.

Related: Tax Credit, Tax Treaty
Tax Treaty

A bilateral agreement between states that allocates taxing rights, prevents double taxation, and often reduces withholding rates on cross-border payments.

Related: Double Taxation, Withholding Tax
Progressive Rate

A rate structure in which the marginal tax rate rises as the tax base increases, so higher slices of income bear a larger percentage of tax.

Related: Taxable Income
Tax Return

The prescribed form on which a taxpayer reports income, deductions, and tax payable for a period, and which forms the basis of an assessment.

Related: Self-Assessment, Assessment
Self-Assessment

A system in which the taxpayer computes its own liability and files a return, with the revenue authority later verifying the figures through audits and risk checks.

Related: Tax Return, Assessment
Assessment

The formal determination by the revenue authority of the amount of tax payable for a period, whether based on a filed return or on the authority's own estimate.

Related: Self-Assessment, Tax Return
Taxable Person

Any individual, company, partnership, or other entity that is legally obliged to register and account for a given tax under the governing statute.

Related: Registration Threshold, Output Tax
Taxable Supply

A supply of goods or services made in the course of business for consideration, which is not exempt and therefore falls within the charge to VAT.

Related: Exempt Supply, Zero-Rated Supply
Exempt Supply

A supply that the law excludes from VAT, so no output tax is charged and the supplier generally cannot recover input tax attributable to it.

Related: Taxable Supply, Input Tax
Zero-Rated Supply

A taxable supply charged at a rate of zero percent, allowing the supplier to recover related input tax while charging no VAT to the customer.

Related: Taxable Supply, Input Tax
Output Tax

The VAT a registered business charges on its taxable supplies and must account for to the revenue authority, usually shown separately on invoices.

Related: Input Tax, Tax Invoice
Input Tax

VAT paid by a registered business on purchases and expenses used for taxable supplies, which may be credited against output tax or refunded.

Related: Output Tax, Tax Invoice
Tax Invoice

A document meeting prescribed content requirements that a supplier issues on a taxable supply and that supports the customer's claim to input tax.

Related: Input Tax, Output Tax
Registration Threshold

The level of taxable turnover above which a business must register for VAT, and below which registration is generally optional.

Related: Taxable Person
Place of Supply

The statutory rule identifying the jurisdiction in which a supply is treated as made, determining whether and where VAT applies.

Related: Reverse Charge, Taxable Supply
Reverse Charge

A mechanism shifting the duty to account for VAT from the supplier to the recipient, commonly applied to imported services and certain domestic supplies.

Related: Place of Supply, Input Tax
VAT Return

The periodic statement on which a registered person reports output tax, input tax, and the net amount payable or refundable for the period.

Related: Output Tax, Input Tax
Customs Value

The value of imported goods determined under valuation rules, usually the transaction value adjusted for freight, insurance, and specified additions or deductions, on which duty is charged.

Related: Ad Valorem Duty, Customs Duty
Customs Duty

A tax levied on goods at the point of import or export, assessed on the customs value, quantity, or both, according to the tariff schedule.

Related: Customs Value, Tariff Classification
Tariff Classification

The process of assigning imported goods to a specific heading in the customs nomenclature, which determines the applicable duty rate and any restrictions.

Related: Customs Duty, Rules of Origin
Rules of Origin

Criteria that establish the country in which goods are deemed to originate, used to apply preferential tariff rates and trade remedy measures.

Related: Tariff Classification, Preferential Rate
Preferential Rate

A reduced or nil duty rate available under a trade agreement or unilateral concession, applied only where the goods meet the relevant origin rules.

Related: Rules of Origin, Customs Duty
Ad Valorem Duty

A duty expressed as a percentage of the customs value of the goods, so the amount payable rises and falls with the declared value.

Related: Customs Value, Specific Duty
Specific Duty

A duty fixed at a set amount per unit of weight, volume, or quantity, irrespective of the value of the goods concerned.

Related: Ad Valorem Duty, Excise Duty
Bonded Warehouse

A secured facility approved by customs in which imported goods may be stored with duty suspended until they are cleared for home use or re-exported.

Related: Customs Duty, Excise Duty
Excise Duty

A tax imposed on specific goods, typically alcohol, tobacco, fuel, and certain luxury items, at manufacture, import, or release for consumption.

Related: Specific Duty, Excisable Goods
Excisable Goods

Goods listed in the excise schedule as subject to excise duty, defined by tariff heading or description, and liable on production or importation.

Related: Excise Duty, Excise Stamp
Excise Stamp

A physical or digital mark affixed to excisable goods to evidence that duty has been paid, used to detect untaxed or counterfeit products.

Related: Excisable Goods, Excise Duty
Surcharge

An additional charge levied on top of a primary tax or duty, often calculated as a percentage of that tax to fund a specific purpose or discourage certain conduct.

Related: Excise Duty, Customs Duty