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SIA Licensing30 April 2026 · 4 min read · Updated 27 September 2026

A licence lapses while someone is actually on shift: what to do

Most discussion of licence expiry treats it as something discovered after the fact — a check that should have happened before a shift was rostered and did not. There is a narrower and sharper version of the same problem: an officer whose licence is valid at the start of a night shift and expires while they are still on post, part way through it.

Why this is not the same as catching it late

This is not a failure to check beforehand — the check may have been done correctly, and the licence was genuinely valid when the shift started. The clock simply ran out during the shift itself, which is a live operational problem rather than a compliance record to fix retrospectively. See what actually happens when an SIA licence expires mid-contract for the broader consequences of an expired licence — the difference here is timing and urgency.

What needs to happen in the moment

  • The officer should not continue licensable activity once the licence has lapsed, regardless of how far through the shift they are
  • Cover needs to be found immediately, using the same urgency as any other no-show — see cover at 5am
  • The client should be notified promptly, in line with whatever the contract requires for a change in cover
  • The decision, timing and reasoning should be recorded, since this is exactly the sequence an assessment or investigation would want to see evidenced afterwards

None of this is comfortable to action at 2am on a site that needs to stay manned. It is, nonetheless, the sequence that protects both the client relationship and the contractor's own position, compared with the alternative of quietly letting the shift run out.

Preventing the scenario rather than only handling it

The genuinely preventable version of this is a licence that was always going to expire during a scheduled shift, which is knowable in advance if expiry dates are checked against the roster before publishing it, not only at the point someone is assigned. A licence expiring on a date that falls inside a scheduled shift is a flag worth raising during roster planning, not something to discover live.

Decided in advance or decided badly

A lapse discovered mid-shift is a decision made under pressure, at an awkward hour, usually by a supervisor without the full picture. Whether that goes well depends almost entirely on whether the answer was worked out beforehand: who to call, whether the officer leaves the post, how the post gets covered, and who informs the client.

Organisations that have not decided this in advance tend to improvise, and the improvisation is frequently the thing that damages the client relationship rather than the lapse itself.

Then the question of how it was missed

Once handled, the more consequential work is establishing why the expiry was not seen. A lapse that reaches a shift means every control upstream failed — the tracking, the notification, the rostering check — and a client who has just seen one will reasonably ask whether it could happen again tomorrow with someone else.

Common mistakes

  • No pre-agreed procedure, so it is improvised under pressure
  • Supervisors with no authority to act and no route to escalate
  • Delaying telling the client until they find out independently
  • Handling the individual case without auditing the rest of the account
  • No record of what was decided and by whom
  • Treating it as a tracking error without asking why rostering did not catch it

One practical test: ask a supervisor what they would do

Ring a supervisor and ask what they would do if they discovered, at 2am, that an officer on shift held a licence that expired yesterday.

A clear answer — who they call, whether the officer leaves the post, how it gets covered, who tells the client — means the decision has been made in advance by people who were not under pressure. Hesitation means it will be improvised at 2am by whoever is there, and the improvisation usually damages the client relationship more than the lapse does.

  • Agree the procedure before it is needed, not during
  • Give supervisors the authority to act and a route to escalate
  • Decide in advance what the client is told, and when
  • Audit the rest of the account once the immediate issue is handled
  • Ask why every upstream control missed the expiry
Key takeaways
  • A licence can be valid at shift start and lapse before the shift ends — check expiry against the full shift, not just the start time
  • Once a licence lapses, licensable activity should stop, regardless of how far through the shift the officer is
  • Immediate cover, prompt client notification and a written record are the three actions that matter most
  • Cross-check expiry dates against scheduled shift end times during roster planning, not only at assignment
  • Confirm current SIA guidance on how this scenario should be handled operationally

About this article

The SecureOptix team

Written by people who work daily with security contractors on SIA licensing, screening and the records that hold up under an inspection.

Published
30 April 2026
Last revised
27 September 2026

How this is researched, dated and corrected is set out in our editorial standards. If something here is wrong or out of date, email hello@secureoptix.co.uk — corrections to a regulated detail are made as soon as we can confirm them, and the revision date above moves when they are.