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Employment

Can My Employer Change My Contract or Cut My Pay?

By FixMyContractLast updated Oct 2, 20265 min read

Short answer: In the UK, Canada and Australia, an employer generally cannot change the main terms of your contract — pay, hours, place of work, core duties — without your agreement, unless the contract allows that kind of change and it is used reasonably. In the US most jobs are "at will", so an employer can usually change pay or hours going forward with notice, but not below the legal minimum and not for work you have already done.

By country

UK. A change to a contractual term needs your agreement. A "variation clause" may let the employer make some changes, but courts read it narrowly. If an employer imposes a change, you can object in writing and keep working "under protest". Dismissing staff and rehiring them on new terms ("fire and rehire") is currently possible but restricted; under the Employment Rights Act 2025, from 1 January 2027 such dismissals to cut pay, hours, leave or pensions are due to become automatically unfair, unless the employer meets a narrow financial-difficulties exception. Acas offers free advice and early conciliation.

Canada. A significant one-sided change to a fundamental term — for example a real pay cut or demotion — can amount to constructive dismissal, letting the employee treat the job as ended and claim notice or pay in lieu. Small changes, or changes the contract allows, usually do not. Provincial employment standards set minimums the employer cannot go below.

Australia. Changes to your contract need agreement, and nothing can reduce your entitlements below the National Employment Standards or the award or enterprise agreement that covers you. Some awards require consultation before changing rosters or hours. The Fair Work Ombudsman gives free information.

US. Unless you have a written contract or union agreement that fixes your pay or hours, an at-will employer can change them prospectively. It must still pay at least the federal and state minimum wage, pay overtime where it applies, pay for hours already worked at the old rate, and follow state notice rules (some states require advance notice of pay changes).

Five things to do if your employer proposes a change

  1. Ask for the change in writing, with the date it starts.
  2. Read your contract for a variation, hours or mobility clause.
  3. Don't sign straight away; you can ask for time and ask questions.
  4. If you object, say so in writing; continuing to work without objecting can be read as agreement.
  5. Get free advice early (Acas in the UK, the Fair Work Ombudsman in Australia, your provincial employment standards office in Canada, your state labor department in the US).

Where FixMyContract fits

Upload your employment contract or the new terms you are asked to sign to read the pay, hours and variation clauses in plain English, with the contract's own words beside each point where they can be matched. It doesn't decide whether a change is lawful.

This is general information, not legal advice. Employment law depends on where you work and your contract; for a specific situation, talk to a licensed employment lawyer or the free services above.

Sources

All links checked 2 October 2026.

  1. GOV.UK, Employment contracts: changing a contract — https://www.gov.uk/employment-contracts-and-conditions/changes-employment-contract
  2. Acas, Changing an employment contract — https://www.acas.org.uk/changing-an-employment-contract
  3. Acas, Employment Rights Act 2025 — https://www.acas.org.uk/employment-rights-act-2025
  4. GOV.UK, Factsheet: Fire and rehire (February 2026) — https://assets.publishing.service.gov.uk/media/69a6c0223b5b78231d1a9ae5/factsheet-fire-and-rehire-february-2026.pdf
  5. Fair Work Ombudsman, Employment contracts — https://www.fairwork.gov.au/employment-conditions/contracts
  6. Ontario, Your guide to the Employment Standards Act (termination and constructive dismissal) — https://www.ontario.ca/document/your-guide-employment-standards-act-0/termination-employment
  7. U.S. Department of Labor, Wages and the Fair Labor Standards Act — https://www.dol.gov/agencies/whd/flsa

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