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Notice period: the later of two dates is the shorter period

Notice runs a year before the exit or before half the term, whichever is shorter. On a 30 month term two dates come back, and the later one is the shorter period.

Live result

The later of the two candidates is 2026-07-01, set by the one year clock.
  • contract term30 months
  • commencement date2025-01-01
Which clock is later moves with the term and with the exit date you propose.
The later of the two candidates is 2026-07-01, set by the one year clock.Which clock is later moves with the term and with the exit date you propose.

Try a scenario

The two candidate dates

30months

Move this whole month count. The commencement date and optional Committee date stay fixed.

Committee decision date

Two candidate dates and the displayed notice dateThe half term candidate is 2026-04-01, the one year candidate is 2026-07-01, and the displayed date is 2026-07-01 under the one year clock. Proposed exit is 2027-07-01.commencement2025-01-01half term2026-04-01one year before exit2026-07-01displayed date2026-07-01proposed exit2027-07-01

Tracked answer

Displayed notice date
2026-07-01
Clock
one year clock
Half term candidate
2026-04-01
One year candidate
2026-07-01
Proposed exit
2027-07-01

Contract term in whole months

It does not check the values in between.

How the answer sits across the values sampledA rail of the 11 values sampled, from 20 to 30 in steps of 1. Across the values sampled, which clock names the displayed date stays one year clock from 25 to 30, the highest value sampled. The nearest value where it changes is 24, where it becomes equal clocks.first change2430on the page

Across the values sampled, which clock names the displayed date stays one year clock from 25 to 30, the highest value sampled. The nearest value where it changes is 24, where it becomes equal clocks.

Across the values sampled, which clock names the displayed date stays one year clock from 25 to 30, the highest value sampled. The nearest value where it changes is 24, where it becomes equal clocks.
The answerone year clock
Values sampled20 to 30, 11 values, step 1
Holds from25
Holds to30, highest sampled
Nearest value that changes it24
The answer thereequal clocks

What an unchanged region does and does not prove is set out in a short lesson.

Every admissible integer in this range was checked. Values outside the range remain unchecked.

First checked change

24 months · equal clocks

Only the whole month term moves. The branch is half term below 24, equal at 24, and one year above 24.

It describes a published default rule on hypothetical dates, gives no legal advice, does not read an agreement, and notes that the parties may agree otherwise.

Here is the maths

The formula, in words

Add the typed term to commencement to get proposed exit. Subtract 12 calendar months from exit for the one year candidate. Add half the term to commencement for the half term candidate. The later candidate represents the shorter period and becomes the displayed date.

E=C+TE=C+T
where EE is the proposed exit, CC the commencement, and TT the term in calendar months.
Y=E−12Y=E-12
where YY is the one year candidate.
H=C+T2H=C+\frac{T}{2}
where HH is the half term candidate.
D=max⁡(Y,H)D=\max(Y,H)
where DD is the displayed date.

A worked example

  1. Commencement is 2025-01-01 and the term is 30 months, so proposed exit is 2027-07-01.
  2. Half the term elapses on 2026-04-01. One year before exit is 2026-07-01.
  3. The later candidate is 2026-07-01, so the displayed date comes from the one year clock.
  4. At 22 months the displayed date is 2025-12-01 under the half term clock. The two clocks are equal at exactly 24 months.

Calendar convention

Calendar months preserve the commencement day and clamp to the last valid day in a shorter target month. For an odd whole month term, the remaining half month is half the calendar days to the next monthly anniversary, rounded down to a whole day.

What this does not model

It does not read an agreement, determine whether an arrangement is registered, interpret transition provisions, calculate compensation, choose an exit route, cover another jurisdiction, or predict a Committee date.

What the sweep holds fixed

Only the stated term moves in whole months. Commencement and the optional Committee decision date remain fixed. A grid that spans but skips 24 does not show the equal branch.

Official sources

The page describes the published default stated in Article 10 without reproducing the law. The date convention is declared here and is not a legal interpretation.

The whole record prints. Your browser can save it as a PDF instead of printing it.

This is not legal advice and it does not interpret an agreement. It does not cover registration status, transition cases, compensation, other exit rights, other jurisdictions, or appeal periods.

Related

Published notice date record

Notice period: the later of two dates is the shorter period

Accepted inputs

Commencement date
2025-01-01
Contract term
30 months
Typed Committee decision date
not typed

Tracked answer

Displayed notice date
2026-07-01
Clock
one year clock
Half term candidate
2026-04-01
One year candidate
2026-07-01
Proposed exit
2027-07-01
Effective through
2027-07-01

Record fields

Calculation version
1.0.0
Boundary
It describes a published default rule on hypothetical dates, gives no legal advice, does not read an agreement, and notes that the parties may agree otherwise.
Permanent refusal
This is not legal advice and it does not interpret an agreement. It does not cover registration status, transition cases, compensation, other exit rights, other jurisdictions, or appeal periods.

This is not legal advice and it does not interpret an agreement. It does not cover registration status, transition cases, compensation, other exit rights, other jurisdictions, or appeal periods.

Badr Alghamdi · badralghamdi.com/tools/half-the-term-or-a-year