English for Taxation: Essential Vocabulary

"taxable income"

The portion of gross income on which tax is actually calculated, after allowable deductions and exemptions have been subtracted.

"Her taxable income was lower than her gross salary because she deducted contributions to her pension and charitable donations."

"tax liability"

The total amount of tax legally owed to the government for a specific period, based on applicable tax rules.

"After calculating all deductions, the company's tax liability for the financial year came to £240,000."

"tax bracket"

A range of income that is taxed at a specific rate; progressive tax systems have multiple brackets with higher rates for higher incomes.

"Moving into a higher tax bracket did not mean his entire income was taxed at the new rate — only the income above the threshold was."

"withholding tax"

Tax deducted at source from wages or investment income before it reaches the recipient, paid directly to the tax authority.

"Her employer deducted withholding tax from each paycheck and remitted it to the IRS on her behalf."

"tax exemption"

An income item or entity that is legally excluded from taxation entirely, reducing the overall tax burden.

"Non-profit organisations often qualify for a tax exemption because their surplus funds support charitable purposes."

"tax base"

The total amount of assets, income, or economic activity that a government can legally tax within its jurisdiction.

"The government broadened the tax base by removing loopholes that allowed certain corporations to pay little or nothing."

"progressive tax"

A tax system in which the rate increases as the taxpayer's income or wealth increases, placing a larger burden on higher earners.

"Income tax in most Western countries is a progressive tax, with top earners paying a significantly higher percentage than low-income workers."

"regressive tax"

A tax that takes a larger percentage of income from lower earners than from higher earners, such as a flat sales tax.

"Critics argued that the proposed flat consumption levy was a regressive tax that would hit the poorest households hardest."

"gross income"

Total earnings before any deductions, taxes, or adjustments are made, including wages, bonuses, dividends, and other sources.

"His gross income for the year was $95,000, but after taxes and retirement contributions his take-home pay was considerably less."

"net income"

Earnings remaining after all taxes, deductions, and contributions have been subtracted from gross income; take-home pay.

"The job offer looked attractive until she calculated her net income and realised a large portion would go to federal and state taxes."

"PAYE"

Pay As You Earn — a system where employers deduct income tax and National Insurance contributions from wages before paying employees.

"Most employees in the UK pay income tax through PAYE, so they rarely need to file a self-assessment tax return."

"allowance"

A fixed amount of income a taxpayer can earn before tax becomes due; also refers to deductible expenses claimed by employees.

"The personal allowance in the UK means the first £12,570 of income is free from income tax for most people."

"self-assessment"

A system in which taxpayers calculate and report their own income, gains, and tax liability directly to the tax authority each year.

"As a freelance designer, she was required to complete a self-assessment tax return by 31 January every year."

"payroll tax"

Taxes levied on employers and employees based on wages paid; often funds social security and healthcare programmes.

"The small business owner was surprised by how much payroll tax added to the true cost of each new hire."

"filing status"

A category that determines the tax rate and standard deduction applied to an individual's tax return, such as single, married, or head of household.

"Changing her filing status to married filing jointly significantly reduced the couple's combined tax liability."

"tax return"

An official form filed with the tax authority reporting income, expenses, and the amount of tax owed or to be refunded.

"He filed his tax return electronically three weeks before the deadline and received his refund within ten days."

"corporation tax"

A direct tax levied on the profits of incorporated companies and certain other businesses by the government.

"The chancellor announced a rise in the corporation tax rate from 19% to 25% for companies with profits over £250,000."

"deductible expense"

A legitimate business cost that can be subtracted from gross revenue before calculating taxable profit, thereby reducing the tax owed.

"Rent, salaries, and equipment purchases were all treated as deductible expenses that reduced the company's taxable profit."

"tax loss carryforward"

A provision allowing a business to apply a net operating loss from one year to offset taxable profits in future years.

"The startup used its tax loss carryforward from the first two unprofitable years to offset taxes once it became profitable."

"transfer pricing"

The prices set for transactions between related entities within the same multinational group, which must reflect arm's-length market rates for tax purposes.

"The tax authority challenged the multinational's transfer pricing arrangements, arguing that profits had been artificially shifted to a low-tax jurisdiction."

"thin capitalisation"

A situation where a company is financed with a disproportionately high level of debt compared to equity, often to generate large interest deductions and reduce taxable profits.

"The new rules limiting thin capitalisation prevented subsidiaries from deducting interest payments on loans far exceeding reasonable commercial debt levels."

"controlled foreign corporation"

A foreign company in which domestic shareholders own more than 50% and which may trigger additional tax obligations for those shareholders under anti-avoidance rules.

"Under CFC rules, the US parent company was required to include certain passive income of its offshore subsidiary in its own taxable income."

"pass-through entity"

A business structure such as a partnership or S corporation in which profits and losses flow directly to the owners' personal tax returns, avoiding corporate-level tax.

"By operating as a pass-through entity, the partners paid tax only once on their share of profits rather than facing double taxation."

"effective tax rate"

The average percentage of total income actually paid in tax, as opposed to the marginal or statutory rate applied to the top slice of income.

"Although the headline corporation tax rate was 25%, the company's effective tax rate was only 18% after claiming research and development credits."

"value added tax (VAT)"

A consumption tax levied at each stage of the production and distribution chain, collected by businesses and remitted to the government.

"The invoice showed the net price plus 20% VAT, which the business would later reclaim as input tax against its own VAT liability."

"input tax"

VAT paid by a business on purchases of goods and services used in its operations, which can typically be reclaimed from the tax authority.

"By registering for VAT, the startup could reclaim the substantial input tax it had paid on IT equipment and office fit-out costs."

"output tax"

VAT charged by a VAT-registered business on its sales of goods and services, which it collects from customers and pays to the tax authority.

"The accountant calculated output tax on all UK sales and offset it against input tax before remitting the balance to HMRC each quarter."

"zero-rated supply"

A supply of goods or services that is subject to VAT but at a rate of 0%, allowing the supplier to reclaim input tax while not charging customers any VAT.

"Most food items in the UK are zero-rated supplies, meaning supermarkets charge no VAT but can still reclaim the VAT on their costs."

"exempt supply"

A transaction that is outside the scope of VAT entirely; the supplier cannot charge VAT or reclaim input tax related to these supplies.

"Residential lettings are an exempt supply, so landlords cannot reclaim the VAT incurred on property maintenance costs."

"customs duty"

A tax imposed on goods imported into a country, based on the goods' value, weight, or quantity, intended to protect domestic industries and raise revenue.

"The importer was surprised by the customs duty applied to the electronic components brought in from outside the EU."

"excise duty"

A tax on the production, sale, or consumption of specific goods such as alcohol, tobacco, or fuel, often levied to discourage consumption or raise revenue.

"The government increased excise duty on cigarettes for the fourth consecutive year as part of its public health strategy."

"reverse charge"

A VAT mechanism that shifts the obligation to account for VAT from the seller to the buyer, commonly used in cross-border B2B transactions.

"When buying digital services from an overseas supplier, the UK business applied the reverse charge and accounted for the VAT itself."

"tax avoidance"

Legal arrangements that reduce a tax liability by exploiting loopholes or using transactions in ways that may not align with the spirit of the law.

"The scheme was technically legal tax avoidance, but the government introduced targeted legislation to close the loophole it relied on."

"tax evasion"

The illegal non-payment or underpayment of taxes, typically by concealing income, falsifying records, or making fraudulent claims.

"He was convicted of tax evasion after investigators discovered he had hidden offshore accounts containing millions in undeclared income."

"tax shelter"

A financial arrangement designed to reduce or defer taxable income, using investments or transactions that generate losses or deductions.

"Investors poured money into the film partnership primarily because it functioned as a tax shelter rather than a genuine commercial venture."

"substance over form"

The principle that tax authorities will look at the economic reality of a transaction rather than its legal form when assessing tax liability.

"The court applied substance over form and found that what appeared to be a loan was economically equivalent to an equity investment, with different tax consequences."

"general anti-avoidance rule (GAAR)"

Legislation that gives tax authorities the power to disregard or recharacterise arrangements that are considered abusive or artificial tax avoidance schemes.

"Under the GAAR, the revenue authority challenged the complex restructuring as an artificial arrangement that had no genuine commercial purpose."

"offshore account"

A bank or investment account held in a foreign jurisdiction, sometimes used for legitimate international business but also associated with tax evasion when undisclosed.

"Following new international reporting requirements, many individuals voluntarily disclosed previously hidden offshore accounts to avoid criminal prosecution."

"tax haven"

A country or territory that offers very low or zero tax rates, minimal financial regulation, and high secrecy to attract foreign businesses and wealth.

"The multinational routed its intellectual property rights through a tax haven, drastically reducing the royalty income subject to tax in higher-rate countries."

"base erosion and profit shifting (BEPS)"

Tax planning strategies that exploit gaps and mismatches in international tax rules to shift profits to low-tax locations, eroding the tax base of higher-tax countries.

"The OECD's BEPS project produced fifteen action plans designed to prevent multinationals from stripping profits out of the countries where real economic activity takes place."

"tax audit"

A formal examination of a taxpayer's financial records and tax returns by the tax authority to verify their accuracy and compliance.

"After a routine tax audit, the inspectors found a discrepancy in the reported expenses that led to an additional assessment of £35,000."

"statute of limitations"

The maximum period during which a tax authority can legally investigate or reassess a taxpayer's affairs for a given tax year.

"The revenue authority could not pursue the claim because the statute of limitations for that tax year had already expired."

"tax assessment"

An official determination by the tax authority of the amount of tax owed by a taxpayer for a specific period.

"She received a tax assessment showing she owed an additional £2,400 due to unreported rental income identified during the review."

"penalty and interest"

Additional charges imposed on taxpayers who file late, pay late, or underpay their taxes, calculated as a percentage of the unpaid amount.

"Because he missed the filing deadline, he was charged both a late-filing penalty and interest on the unpaid balance at the statutory rate."

"tax clearance certificate"

An official document issued by the tax authority confirming that a person or business has met all tax obligations and has no outstanding liabilities.

"The company was required to present a tax clearance certificate before the government would award it the public sector contract."

"advance ruling"

A written decision issued by the tax authority in advance of a transaction, confirming how tax law applies to a specific proposed arrangement.

"The law firm applied for an advance ruling to get certainty about the tax treatment of the proposed restructuring before completing the deal."

"voluntary disclosure"

A process allowing taxpayers to proactively correct past errors or omissions in their tax filings, typically in exchange for reduced penalties.

"The investor made a voluntary disclosure of previously undeclared foreign dividends, which significantly reduced the financial penalties she would otherwise have faced."

"double taxation agreement"

A treaty between two countries that determines which country has the right to tax cross-border income and prevents the same income from being taxed in both jurisdictions.

"Under the double taxation agreement between Germany and the UK, the consultant paid tax only in his country of residence and was exempt from withholding tax in the other country."