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08
Understand and verify pay

On-call, out-of-hours work and additional duties

Identify what is already contracted, how availability differs from work done, and how to agree extra activity safely.

18 min readSpecialty DoctorsSpecialist grade doctorsLocally employed doctors
The short answer

On-call availability, work actually performed, premium-time rules and additional voluntary work are not interchangeable. Read the relevant contract and rota together. Agree the duty, frequency, time, rest, payment, cancellation and review before recurring extra work begins wherever possible.

Use this now

Three next actions

  1. 1

    Map each on-call or extra duty to the contract, job plan and payslip.

  2. 2

    Check frequency, prospective cover, work intensity, premium time, rest and payment.

  3. 3

    Use a written agreement for recurring additional work and record when it ends.

Learning objectives

By the end of this module, you should be able to:

  • Distinguish availability from work performed.
  • Analyse safe hours and compensatory rest.
  • Agree extra work without creating hidden permanent duties.

Availability and actual work

An on-call availability supplement may pay for being available at specified frequency and category. It does not necessarily pay every hour of work performed or replace job-planned time for predictable emergency duties. Contract definitions differ by nation and version.

Use call data to test intensity: contacts, returns to site, remote decisions, time and next-day effect. If intensity changes materially, request rota and job-plan review.

  • Read the supplement definition.
  • Measure actual work separately.
  • Review increased intensity.

Premium and out-of-hours periods

Contracts define standard and premium time differently. The value of an activity can depend on when it is scheduled, the doctor’s contract, whether it is resident or non-resident and whether it forms part of basic contracted work. Do not import definitions from another grade.

Record actual start and finish, frequency and agreed category. For annualised work, ensure premium-time weighting and leave are handled under the applicable terms.

  • Use the correct grade and national definition.
  • State timing in the job plan.
  • Check annualisation rules.

Additional work

Extra contractual work should be explicit about activity, rate, duration, cancellation, indemnity, pensionability, rest and tax. Clarify whether it is an additional contracted unit, internal bank/locum work or a separate arrangement. The label affects neither safety nor tax by itself.

Repeated ‘temporary’ cover may reveal a substantive workforce need. Review the base job plan and recruitment solution rather than relying indefinitely on voluntary extra work.

  • Put rate and scope in writing.
  • Protect rest and primary duties.
  • Review recurring service dependence.

Safe hours and rest

Working Time rules provide a statutory framework including average weekly limits, rest and paid annual leave, subject to detailed provisions. Some doctors opt out of the average limit, but an opt-out does not remove the employer’s health and safety duties or every contractual safeguard.

Combine all work when assessing fatigue, including bank, locum and work for other employers. If fatigued, use immediate patient-safety escalation and do not drive if unsafe. Address recurring rota design separately.

  • Count work across employers.
  • Opt-out is not a waiver of safety.
  • Escalate fatigue before harm.

Prospective cover and leave

Rota arrangements may include prospective cover for colleagues’ leave, meaning the frequency of work while present can be higher than a simple one-in-n calculation. The contract should explain how this is recognised. Check whether annual leave, study leave and vacancies are included in the rota calculation.

A vacancy is not automatically ordinary prospective cover. Sustained gap cover should be risk assessed, time limited and addressed through recruitment and job planning.

  • Understand the rota denominator.
  • Distinguish planned leave cover from vacancies.
  • Review sustained intensity.

When to decline or escalate

Doctors should not accept work beyond competence, without necessary support or when fatigue creates serious risk. Raise the specific concern, seek senior clinical direction and propose a safe alternative. Immediate patient abandonment is not an employment remedy.

For non-urgent additional work, a clear response can state existing commitment, safety or rest constraint and conditions under which the work could be accepted. Seek advice where refusal might have contractual consequences.

  • Describe the safety constraint.
  • Offer a safe alternative where possible.
  • Get advice on disputed contractual duties.
Pause and reflect

Does your rota description match the real frequency, intensity and next-day effect of the work?

Keep in mind

Three takeaways

  1. 1Availability, actual work and extra work are different pay concepts.
  2. 2Count total working time and protect rest.
  3. 3Recurring extra work needs a written and reviewable arrangement.
Situational judgement exercise

Check your understanding

Six questions on On-call, out-of-hours work and additional duties test process and practical judgement. This is educational: it does not assess your health, evidence sufficiency or decide a legal issue.

Question 1 of 6
An availability supplement appears on the payslip. What does it prove?
Choose one answer to continue.
Apply the learning

Recommended workbooks

Keep personal financial documents on a trusted device. Do not upload them to this website.

Check the source

Official and professional guidance

Use the document for the relevant nation, grade, contract version, scheme and tax year.

Page last reviewed 8 September 2026. Independent education only; not individual contractual, legal, tax, financial or pensions advice.