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Demiton

Payment schedule (v1)

Payment schedule is one of Demiton's published registers for Australian civil construction. The payment schedule answering a progress claim under Security of Payment legislation. Demiton keeps it current from the systems a contractor already runs and publishes the record's shape as a versioned JSON Schema, so the same question works whichever system produced the record.

Part of Contracts in the register catalog.

Register ID
payment_scheduleUse this name to ask for the register. The API calls it a shelf ID.
Status
PlannedDefined ahead of the connector that will fill it.
Data
OrganisationPrivate to each organisation's own workspace.
Version
v1 (1.0.1)Superseded by v2.

Standards

This register's contract was designed against these standards and laws. Holding these records does not by itself certify compliance.

  • Security of paymentBuilding and Construction Industry (Security of Payment) Act 2009 (ACT)Australia · 2009 as amended 11 Mar 2024 · clause s 19(2) · public summary
  • AS 4000General Conditions of Contract (superseded edition, still in use)Australia · 1997 · clause cl 37.1/37.2 (per commentary) · paywalled, from a secondary description
  • AS 4000General Conditions of Contract (construct only)Australia · 2025 · clause cl 37.2 (per commentary) · paywalled, from a secondary description
  • Corporations Act 2001 (Cth) s 286Corporations Act 2001 (Cth) - financial records, 7-year retentionAustralia · current · clause s 286 · verified against full text
  • Security of paymentBuilding and Construction Industry Security of Payment Act 1999 (NSW)Australia · 1999 as amended · public summary
  • Security of paymentBuilding Industry Fairness (Security of Payment) Act 2017 (Qld)Australia · 2017 as amended · clause s 76 (per commentary) · public summary
  • Security of paymentBuilding and Construction Industry Security of Payment Act 2009 (SA)Australia · 2009 · clause s 17(2) second-chance notice · public summary
  • Security of paymentBuilding and Construction Industry Security of Payment Act 2009 (Tas)Australia · 2009 (in force 2025-10-11) · clause ss 18(2)-(4) · verified against full text
  • Security of paymentBuilding and Construction Industry Security of Payment Act 2002 (Vic), as amended from 15 Apr 2026Australia · 2002 as amended 15 Apr 2026 · public summary
  • Security of paymentBuilding and Construction Industry (Security of Payment) Act 2021 (WA)Australia · 2021 · clause s 25(2)-(3) · verified against full text
  • NZ CCA 2002Construction Contracts Act 2002 (NZ), 2002 No 46, as amended 2015 and 2023New Zealand · as at 5 Oct 2023 · clause ss 21, 22 · verified against full text
  • HGCRA 1996 Part IIHousing Grants, Construction and Regeneration Act 1996, Part II (as amended by LDEDCA 2009)United Kingdom · 1996 c. 53 as amended · clause ss 110A, 111 · verified against full text
  • SI 1998/649Scheme for Construction Contracts (England and Wales) Regulations 1998United Kingdom · 1998 as amended 2011 · clause Part II paras 9-10 · verified against full text
  • AIA G702/G703Application and Certificate for Payment; Continuation SheetUnited States · 1992 (current base editions) · public summary

Connectors

Connected today

Demiton keeps this register current from these systems now.

No system fills this register yet.

On the roadmap

Systems in the planned connector rollout that can fill this register. Partial means the system holds only some of its fields.

None planned yet.

Fields

14 fields: 8 required, 6 optional.

Required

Every record carries these fields.

claimText

The payment claim this schedule responds to.

Example: SI-26014

projectText

The project the claim and schedule relate to.

Example: BWG-2025-001

currencyText

The currency of the amounts.

Example: AUD

issued_onDateYYYY-MM-DD

The date the schedule was provided.

Example: 2026-08-07

external_idText

The source system's own id for the schedule.

Example: PS-2201

jurisdictionText

The Security of Payment Act that governs the schedule.

Example: Building Industry Fairness (Security of Payment) Act 2017…

source_systemText

Which bound system emitted the row.

Example: D365_BUSINESS_CENTRAL

scheduled_amountMoney amount

The amount the respondent proposes to pay.

Example: 295500

Optional

Present when the source system records them.

claimantText

The party that made the claim.

Example: Bridgeworks Group Pty Ltd

claimed_amountMoney amount

The amount the claim sought.

Example: 312000

payment_due_onDateYYYY-MM-DD

The due date for payment of the scheduled amount.

Example: 2026-08-21

calculation_basisText

How the scheduled amount was calculated.

Example: Assessed against measured works to 31 July 2026 per progr…

reasons_for_differenceText

Why the scheduled amount is lower.

Example: Traffic control claimed at contract rate; assessed at mea…

reasons_for_withholdingText

The reasons for withholding payment.

Example record

A sample from Bridgeworks Group, Demiton's demonstration company. The values are illustrative; the shape is exactly what the contract describes.

payment_schedule.example.json
{
"calculation_basis": "Assessed against measured works to 31 July 2026 per progress claim SI-26014.",
"claim": "SI-26014",
"claimant": "Bridgeworks Group Pty Ltd",
"claimed_amount": 312000,
"currency": "AUD",
"external_id": "PS-2201",
"issued_on": "2026-08-07",
"jurisdiction": "Building Industry Fairness (Security of Payment) Act 2017 (Qld)",
"payment_due_on": "2026-08-21",
"project": "BWG-2025-001",
"reasons_for_difference": "Traffic control claimed at contract rate; assessed at measured hours.",
"scheduled_amount": 295500,
"source_system": "D365_BUSINESS_CENTRAL"
}

Version history

  • v2 (current)
  • v1

Use this contract

The contract is a standard JSON Schema (draft 2020-12) document, so any JSON Schema validator can check a record against it. Keywords starting with x-demiton- add Demiton's own meaning, such as units and requiredness, and validators ignore them.

Schema URL
https://docs.demiton.io/registers/payment_schedule/v1.json
Show the full JSON Schema

Loading the schema…

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