Product-method explanation; a citation exposes the basis of a conclusion but does not remove the need to assess applicability and professional judgement.
A source-linked planning answer is easier to check when the reader can follow its citation to the evidence and see how it relates to the land and proposal. The source, its applicable version and any unresolved judgement still need checking before the answer is used.
Follow the claim back to the source
Plynth provides source-linked planning answers. Follow the citation to inspect the material used, then check whether it applies to the land, proposal and relevant date. A source link alone does not resolve uncertainty or judgement.
Start with NSW Planning's approval pathway guidance for instrument types. Read the applicable instrument and check its adopted map. The Planning Portal Spatial Viewer helps locate available planning layers. Each source still needs an applicability test.
Answer-to-source provenance chain
A checklist of what a reader needs to inspect between a question and a qualified planning conclusion.
| Check | Evidence to inspect | Verification question | Failure state |
|---|---|---|---|
| 1. Question | User wording and requested date | What exactly is being asked? | Ambiguous question |
| 2. Land | Lot/DP, boundary and jurisdiction | Is this the correct parcel? | Parcel unresolved |
| 3. Proposal | Use, works, dimensions and assumptions | What development is being tested? | Characterisation unresolved |
| 4. Source | Instrument/dataset ID, version and publisher | Is it current and applicable? | Source unavailable or uncertain |
| 5. Evidence | Clause, map value, definition or dataset row | Does it support this material claim? | Evidence missing or indirect |
| 6. Reasoning | Calculation, applicability test or assessment step | Can another reader reproduce it? | Unsupported inference |
| 7. Conclusion | Result plus objective/merit classification | What is known, conditional or unresolved? | False certainty |
| 8. Citation | Direct path back to source evidence | Can the user inspect the basis? | Broken or generic citation |
Citation is necessary but not sufficient
A source can be authentic yet irrelevant to the parcel, proposal or date. A map can be current yet misread at a boundary. A provision can be quoted accurately while its definition, exception or transition is omitted. Provenance therefore includes applicability and reasoning, not only URL storage.
Claim-level evidence
Material claims should identify the source object they depend on. Examples include a zone, mapped value, land-use-table entry, numeric standard, definition or dated dataset observation. General background can cite a broader official guide, but that guide should not be used to prove a more specific legal result than it contains.
Exceptions and failure modes
- A source link can continue to resolve after its relevant provision changes.
- A citation to a whole instrument can be too broad to support a clause-level claim.
- An image or highlight cannot be the only accessible form of the evidence.
- Multiple sources can jointly qualify a result and should not be collapsed to a single citation.
- Professional review remains necessary for questions involving legal meaning, design judgement or consent-authority discretion.
Next questions
The source-currency method explains how registered articles are reviewed after a source change. For a site example, see which planning controls may apply and the questions that remain after the map values are recorded.