JURD7160 Chap.8 Purpose and Relevant Considerations
Purpose and Relevant Considerations
Improper purpose asks what end the power was used to achieve. Consideration grounds ask what matters entered or were omitted from reasoning. Both begin with statutory construction.
What this chapter covers
- 01
Authorised statutory purpose
- 02
Evidence and inference of actual purpose
- 03
Mandatory relevant considerations
- 04
Prohibited considerations
- 05
Mixed motives and weight
Separate punitive purpose from prohibited input
- 2Derive the authorised ends from text, context and subject matter.
- 2Compare the actual end with those authorised purposes.
- 1Ask separately whether criticism was a matter the statute permitted to influence the choice.
Key terms
- Improper purpose
- Improper purpose is use of a statutory power to achieve an end the legislation does not authorise.
- Mandatory consideration
- A mandatory consideration is a matter legislation requires the decision-maker to take into account.
Purpose and Relevant Considerations FAQ
Why should reasons be analysed for the role of a consideration?
Mentioning a matter does not show how it influenced the choice. Trace whether it operated as a threshold, decisive factor, background point or response to a submission. That role helps distinguish genuine consideration from cosmetic reference.
How is improper purpose different from a prohibited consideration?
Improper purpose asks what end the official sought to achieve by using the power. A prohibited-consideration argument asks what matter entered the reasoning without statutory permission. The same evidence can support both, but the answer should construct and apply the two legal questions separately.
How can purpose be proved without an admission?
Use reasons, internal communications, timing, departures from ordinary process and the relationship between action and statutory objects. Explain the inference drawn from each item and address lawful alternatives. A persuasive argument makes the causal path visible rather than relying on suspicious circumstances alone.
Is giving little weight to a mandatory matter unlawful?
Not automatically. A decision-maker may genuinely consider a required matter and assign it modest weight. The key first question is whether the matter entered the reasoning as the statute required. An extreme weighting problem may engage another doctrine, but it should not be relabelled as omission.
What should I do when lawful and unlawful purposes appear together?
Identify the operative purposes, apply the governing mixed-purpose approach and ask what role each end played. Consider whether the authorised objective independently explains the action and whether the same decision would have occurred without the impugned purpose. Avoid assuming that any improper thought resolves the case.
Is every relevant fact a mandatory consideration?
No. Everyday relevance is broader than legal mandatory relevance. The statute must require attention to the matter, understood through its text, subject matter, scope and purpose.
Exam move
Begin with statutory construction rather than labels. For every discretionary power, write the authorised purpose in one sentence and list any matters the text expressly requires or forbids. Then use subject matter, structure and context to test whether other purposes or considerations are implicit.
Keep this construction page beside the factual record so that everyday relevance does not silently become legal mandatory relevance. Write parallel issue sentences. Purpose asks whether the power was used to achieve an end the Act does not authorise. Considerations ask whether the official omitted a required matter or relied on a prohibited one.
Apply the same fact under both headings only when it genuinely answers both questions, and explain the different reasoning each ground requires. This avoids treating overlapping evidence as interchangeable doctrine. Build an inference chart from reasons, internal communications, timing, departures from ordinary procedure and the fit between outcome and statutory objects.
For each item, record the inference it supports and a lawful alternative explanation. Evaluate who created the document, when it was created and how closely it connects to the operative decision. A persuasive purpose argument shows the causal path rather than stacking suspicious details. Practise mixed-purpose problems by giving the official one lawful and one unauthorised objective.
Ask which purposes were substantial, what would have happened without the impugned end and which test the governing law requires. Avoid claiming that any improper thought necessarily invalidates the decision. State uncertainty when the evidence does not clearly reveal the operative motivation. For considerations, separate existence, legal classification, actual use and weight.
A matter may be legally mandatory yet receive little weight after genuine consideration. A permissible matter may legitimately carry substantial weight. An extreme weighting problem may support another ground, but it is not automatically non-consideration. End each answer by naming the precise end or input, its statutory status, its demonstrated role in the choice and the strongest counter-explanation.
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