Right to work checks and share codes
Share codes expire, they are not interchangeable between services, and British and Irish citizens cannot use one at all. This explains the three lawful check routes, what employers must do, and where the discrimination line sits.
Short answer
Employers must check every new employee has the right to work before their first day. There are three lawful routes: a manual document check, a digital identity check through a certified provider for British and Irish passport holders, and a Home Office online check using a share code. Share codes are generated free at GOV.UK and expire after 90 days.
Right to work checking is one of the few areas of employment administration where getting the process wrong is more dangerous than getting the answer wrong. An employer who follows the prescribed steps and is deceived by a convincing forgery has a statutory excuse and pays no penalty. An employer who employs someone with a perfectly valid right to work but does not check properly has no excuse at all if the check is ever examined.
For workers, the friction comes from a system that changed shape faster than public understanding of it. Biometric residence permits stopped being valid as proof at the end of 2024, replaced by eVisas held in a UK Visas and Immigration account. Share codes replaced documents for most people who are not British or Irish. And the codes themselves are service-specific — the one you generate to prove your right to work does not work for a landlord, and the one for renting does not work for an employer.
The other thing that catches employers is discrimination. Checking only the people who sound foreign, look foreign or have a non-British name is unlawful under the Equality Act 2010, and the Home Office publishes a code of practice specifically on avoiding it. The safe position is to check everyone, identically, and to keep the evidence — which also happens to be the position that preserves the statutory excuse.
This page covers what employers must do and when, how a worker generates and uses a share code, the routes for British and Irish citizens, what happens when permission is time-limited, and where right to work checks differ from right to rent checks.
What an employer must actually do
The duty is to establish, before employment begins, that the person has the right to do the work in question. It applies to every employee without exception, including British citizens, family members, and someone you have known for twenty years. It is not a check on people who might be foreign; it is a check on everyone.
Doing it correctly gives the employer a statutory excuse against the civil penalty for employing an illegal worker. The penalty is charged per worker, was increased substantially in 2024, and is issued by the Home Office rather than a court. The statutory excuse is the whole point of the exercise, and it exists only if the prescribed steps were followed and evidenced.
The excuse does not protect against the criminal offence of employing someone knowing, or having reasonable cause to believe, that they have no right to work. That is a separate matter and carries a prison sentence. Following the process protects against the penalty; deliberately ignoring what you know does not protect against anything.
Records must be kept. A clear copy of the documents or a copy of the online check profile, dated, retained for the duration of employment and for a period afterwards. A check with no retained evidence is, for practical purposes, a check that did not happen.
Where permission to work is time-limited, a follow-up check is required before it expires. Diarise the expiry date on the day the first check is done. An employer whose original check was faultless loses the excuse entirely if the follow-up is missed, and the person's status may have changed in the meantime.
Existing staff do not need retrospective checks if they were checked correctly under the rules in force at the time. Repeating checks on people whose original check was valid is unnecessary, and singling out particular employees for a repeat check is where discrimination claims come from.
The three lawful routes, and which one applies
The Home Office online check applies to anyone whose immigration status is held digitally — which now covers most people who are not British or Irish citizens, including those with settled or pre-settled status under the EU Settlement Scheme, work and study visas, and anyone with an eVisa. The worker generates a share code, the employer enters it with the worker's date of birth on the employer checking service, and the result appears on screen with a photograph to compare against the person in front of them.
The digital identity verification route uses a certified Identity Service Provider to check a British or Irish passport, including an expired one, using identity document validation technology. The employer pays the provider, receives a digital identity verification output, and must still check that the photograph matches the person. This route exists precisely because British and Irish citizens have no digital immigration status and therefore cannot produce a share code.
The manual document check remains available and is the fallback. The employer must see the original document with the person present — in person or over a live video call while holding the original — check it appears genuine and relates to that person, and keep a dated copy. The lists of acceptable documents are prescribed: List A documents show a permanent right to work and need no follow-up; List B documents show a time-limited right and require a repeat check.
You cannot mix and match. Using the online service for someone whose status is not digital produces no result. Accepting a photocopy, a scan or a photograph of a document in a manual check gives no statutory excuse. And a biometric residence permit or card, which many people still hold physically, is no longer valid evidence — the holder must use their eVisa and produce a share code instead.
If a person cannot prove their status because of an outstanding application, an appeal or an administrative review, the employer can use the Home Office Employer Checking Service, which issues a Positive Verification Notice valid for a set period. This is the correct route rather than either refusing to employ or employing without a check.
Whichever route is used, the check must be completed before the person starts work, not on their first day and not during their first week. Timing is the most common technical failure.
Where the discrimination line sits
The lawful position is to check every new employee in the same way. The unlawful position is to check selectively, to ask for more documents from some people than others, or to prefer applicants who appear not to need a check.
The Home Office publishes a statutory code of practice on avoiding unlawful discrimination while preventing illegal working. It is not advisory in effect: a tribunal will take it into account, and an employer whose practice departs from it is in a poor position.
Common failures include asking about nationality or immigration status at application stage rather than at offer stage, declining to consider candidates whose visa would need a follow-up check, insisting on seeing a passport when the candidate has offered a valid alternative from the prescribed lists, and repeating checks on staff who were correctly checked but happen not to be British.
Refusing to employ someone because their permission is time-limited is direct discrimination risk with no compliance benefit — a time-limited right to work is still a right to work, and the compliance obligation is simply to diarise the follow-up check.
Race discrimination claims can be brought by job applicants as well as employees, there is no minimum service requirement, and compensation is uncapped and can include injury to feelings. The exposure is materially greater than the civil penalty the employer was trying to avoid.
The safe operating position is a written policy applied identically to everyone, checks carried out at the same point in the recruitment process for every candidate, evidence retained the same way, and follow-up dates diarised. It costs nothing and it defends both risks at once.
Right to work is not right to rent, and other confusions
Right to rent is a separate scheme with a separate check, and it applies only in England. Landlords and letting agents in England must check that adult occupiers have the right to rent, using a different share code service. Scotland, Wales and Northern Ireland do not operate right to rent checks at all, which regularly surprises people moving between nations.
A DBS check is not a right to work check and does not substitute for one. Nor does a National Insurance number, which proves nothing about immigration permission — people have National Insurance numbers from previous permissions that have since expired, and the presence of one is not evidence of anything relevant.
A right to work check is also not a check on whether a person can do a particular job. Some permissions restrict working hours, prohibit self-employment, or limit work to a named sponsor. The online check result states these restrictions, and employing someone in breach of them is a breach even though the person does have a right to work. Read the conditions on the check result rather than stopping at the headline.
Sponsorship is a separate regime again. An employer who wants to sponsor a worker needs a sponsor licence and has its own compliance duties, including reporting changes and keeping records. The right to work check remains necessary alongside it.
For agency and contract workers, the duty sits with whoever employs the person, which is normally the agency rather than the end client. But end clients routinely require evidence, and a client that directs the work closely enough may find the picture less clear-cut than the contract suggests.
If your permission is about to expire and you have applied to extend it in time, you keep your existing conditions while the application is decided. Employers can confirm this through the Employer Checking Service. Do not simply stop working, and do not let an employer tell you that you must — an in-time application preserves the position while it is pending.
Key takeaways
- The check must be done before employment starts — a correct check afterwards gives no statutory excuse against the civil penalty.
- Share codes are free, valid for 90 days, and service-specific: a right to rent code will not open an employer's right to work check.
- British and Irish citizens cannot generate a share code at all — they use a passport, a certified digital identity check, or a prescribed document combination.
- Biometric residence permits stopped being valid proof at the end of 2024; holders must use their eVisa through a UKVI account instead.
- Checking only candidates who appear foreign is unlawful discrimination, and applicants can claim with no minimum service and uncapped compensation.
- Right to rent is a separate scheme that applies only in England — Scotland, Wales and Northern Ireland do not operate it.
Who to contact
Prove your right to work to an employer
Generate a free share code from your UKVI account — the correct service for employment checks.
Check a job applicant's right to work
The employer checking service, where a share code and date of birth are entered.
Set up a UKVI account and link your identity document so you can generate share codes.
Free advice on recruitment practice and discrimination law for England, Wales and Scotland.
At a glance
- When
- Before employment startsA check after the first day does not give a statutory excuse
- Three routes
- Manual, digital ID, online checkWhich applies depends on the person's status
- Share code
- Free, valid 90 daysGenerated by the worker at GOV.UK
- Employer needs
- Share code and date of birthBoth, to open the online check
- British and Irish
- Cannot use a share codePassport, or a digital identity check instead
- BRP cards
- No longer valid proofReplaced by eVisas from the end of 2024
- Statutory excuse
- Requires a correct checkProtects against the civil penalty, not from prosecution
- Right to rent
- A separate checkDifferent code, and England only
Right to work checks and share codes — FAQ
How do I get a share code to prove my right to work?
Sign in to the 'prove your right to work to an employer' service on GOV.UK using your UKVI account, and generate a code. It is free — no official service charges for one. Give the employer both the code and your date of birth, because the code alone will not open the check. Codes expire after 90 days.
Can a British citizen use a share code?
No. Share codes come from digital immigration status, and British and Irish citizens do not have one. Use a passport, including an expired one through a certified digital identity check, or one of the prescribed document combinations such as a birth certificate plus an official document showing your National Insurance number.
Is my biometric residence permit still valid for a right to work check?
No. BRPs and biometric residence cards stopped being acceptable evidence at the end of 2024, replaced by eVisas held in a UK Visas and Immigration account. Set up access to your account and generate a share code instead. Employers who accept a BRP as proof no longer obtain a statutory excuse by doing so.
Does an employer have to check British employees too?
Yes. The duty applies to every new employee without exception. Checking only people who sound or look foreign is unlawful discrimination under the Equality Act 2010, and the Home Office publishes a statutory code of practice on avoiding it. Checking everyone identically is both the lawful position and the one that preserves the statutory excuse.
What happens if my visa expires while I am working?
If you applied to extend in time, your existing conditions continue while the application is pending, and your employer can confirm this through the Home Office Employer Checking Service, which issues a Positive Verification Notice. Do not stop working, and do not accept being told you must — but do make sure your employer runs the follow-up check.
What is the penalty for employing someone without the right to work?
A civil penalty charged per worker, issued by the Home Office rather than a court, and increased substantially in 2024. A correct check that was deceived by a good forgery still gives a statutory excuse and no penalty. Knowingly employing someone with no right to work is a separate criminal offence carrying a prison sentence.
Is a right to work check the same as a right to rent check?
No. They are separate schemes with separate share code services, and the codes are not interchangeable. Right to rent applies only in England — Scotland, Wales and Northern Ireland do not operate it. Using the wrong code is the commonest reason a check appears to fail when the person's status is entirely valid.
Read next
Sources & provenance
Facts verified
- 1.Prove your right to work to an employer OfficialUK GovernmentUsed for: The worker-side service, who can use it and what the employer needs
- 2.Get a share code online OfficialUK GovernmentUsed for: Generating a code, its 90-day validity and that it is free
- 3.Check a job applicant's right to work OfficialUK GovernmentUsed for: The three lawful check routes and the requirement to check before employment starts
- 4.Employer's guide to right to work checks OfficialHome OfficeUsed for: Prescribed document lists, statutory excuse conditions, follow-up checks and record retention
- 5.Right to work checklist OfficialHome OfficeUsed for: The step-by-step manual check procedure and evidence requirements
- 6.Code of practice on avoiding discrimination while preventing illegal working OfficialHome OfficeUsed for: The statutory code on non-discriminatory checking practice
- 7.View and prove your immigration status OfficialUK GovernmentUsed for: The general status service, distinct from the right to work and right to rent services
- 8.Get access to your eVisa OfficialUK GovernmentUsed for: Setting up a UKVI account and linking an identity document
- 9.eVisas OfficialUK GovernmentUsed for: Replacement of physical documents with digital status
- 10.Biometric residence permits OfficialUK GovernmentUsed for: That BRPs are no longer valid evidence and what holders must do instead
- 11.Update your UK Visas and Immigration account details OfficialUK GovernmentUsed for: Keeping passport and contact details current so share codes display correctly
- 12.Employing an EU, EEA or Swiss citizen OfficialUK GovernmentUsed for: Status verification for EU Settlement Scheme holders and the Employer Checking Service route
- 13.Penalties for employing illegal workers OfficialHome OfficeUsed for: Civil penalty structure, objection and appeal routes, and the criminal offence
- 14.Prove your right to rent in England OfficialUK GovernmentUsed for: The separate right to rent service and that the scheme applies only in England
- 15.Immigration, Asylum and Nationality Act 2006 Legislationlegislation.gov.ukUsed for: The statutory basis for the civil penalty and the excuse for a correct check
- 16.Equality Act 2010 Legislationlegislation.gov.ukUsed for: Race discrimination protection covering job applicants with no minimum service requirement
- 17.Discrimination and the law OfficialAcasUsed for: Practical guidance on discriminatory recruitment practice and tribunal exposure
Not a source — AI-assisted analysis on this page
- AI-assisted analysis — why share code checks silently fail — The assessment that the main practical failure of the share code system is the interchangeability assumption between the separate right to work, right to rent and general status services, and that the resulting harm falls on candidates who never learn why an application stalled, is our analysis. The Home Office publishes the separate services and their validity periods but does not identify this as a common failure mode.
Check timing, the three lawful routes, prescribed document lists, statutory excuse conditions, share code generation and validity, eVisa arrangements, the Employer Checking Service and the discrimination code of practice come from the GOV.UK, Home Office, legislation.gov.uk and Acas sources cited above. Deliberately not quoted: civil penalty amounts, follow-up check intervals for specific permission types, Positive Verification Notice validity periods and record retention periods. These are set by the Home Office and were changed in 2024 — check the current employer's guide. Right to rent is England-only. Employment law in Northern Ireland is separate from Great Britain and Acas does not cover it; the Labour Relations Agency is the equivalent body. One passage is marked as AI-assisted analysis. Nothing here is immigration or employment law advice for your circumstances.
Facts on this page are taken from the sources listed above — UK government departments, devolved administrations, regulators, statutory bodies and official statistical releases. Comparisons, judgements and "which option suits whom" conclusions are AI-assisted analysis written over those sources; they are marked in the text and listed as an AI-analysis entry in the sources, not attributed to any authority. Rates, thresholds, fees and processing times change, usually at the start of a tax year in April; figures are current as at the review date shown and should be confirmed with the responsible body before you rely on them. Much of what follows differs between England, Scotland, Wales and Northern Ireland — where it does, this site says so.