Core Strata Entitiessince 0.1.0-draftspec v0.1.0-draft

StrataLot

Proposed

A lot shown on a strata plan. Each strata lot is owned separately and carries a share of common expenses according to its unit entitlement.

JSON Schema Example file

Fields

Field	Type	Description
`id` required	Identifier	Stable identifier of this StrataLot record.
`strataCorporationId` required	Identifier	The strata corporation this record belongs to. References StrataCorporation
`lotNumber` required	integer	Strata lot number as shown on the strata plan. ≥ 1
`parcelIdentifier` optional	ParcelIdentifier	Parcel Identifier (PID) of the strata lot.
`unitEntitlement` required	number	Unit entitlement from the Schedule of Unit Entitlement, used to apportion common expenses. > 0
`usage` optional	enum	Intended use of the strata lot. `residentialnonResidential`
`areaSquareMetres` optional	number	Area of the strata lot in square metres, if known. > 0
`buildingId` optional	Identifier	Building the strata lot is located in, if applicable. References Building
`extensions` optional	Extensions	Implementation-specific data, namespaced by reverse domain.

Controlled vocabularies

usage

residential: Residential strata lot.
nonResidential: Non-residential (for example commercial) strata lot.

Relationships

Referenced by

CommonProperty.designatedStrataLotIds
OwnershipInterest.strataLotId
Unit.strataLotId
FinancialTransaction.strataLotId
MaintenanceRequest.strataLotId

StrataLot

References

strataCorporationIdStrataCorporation
buildingIdBuilding

Validation rules

Cross-field rules beyond what JSON Schema expresses. Documented in the draft; not yet enforced by tooling.

lotNumber must be unique within a strata corporation.
parcelIdentifier must be unique across all strata lots.

Open questions for legal and industry review

Confirm how voting entitlement differs from unit entitlement and whether it needs its own field.

Example payload

Illustrative only, with fictional data. Validated against the draft schema at build time.

{
  "id": "sl-0012",
  "strataCorporationId": "sc-0001",
  "lotNumber": 12,
  "parcelIdentifier": "000-000-012",
  "unitEntitlement": 100,
  "usage": "residential",
  "areaSquareMetres": 72.5,
  "buildingId": "bldg-0001"
}