tendered_rate_observation contract v1

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://docs.demiton.io/registers/tendered_rate_observation/v1.json",
  "title": "tendered_rate_observation contract v1",
  "type": "object",
  "required": [
    "citation",
    "rate",
    "unit_normalized",
    "work_item"
  ],
  "properties": {
    "qty": {
      "type": "number",
      "description": "the quantity on the priced line, when the template exposes one",
      "x-demiton-requiredness": "optional",
      "x-demiton-unit": "`unit_normalized`"
    },
    "band": {
      "type": "object",
      "description": "a depth/length band extracted from the description (e.g. \"up to 23.0 metres\")",
      "x-demiton-requiredness": "optional",
      "x-demiton-unit": "`max` in m"
    },
    "rate": {
      "type": "number",
      "description": "the tendered unit rate offered",
      "x-demiton-requiredness": "required",
      "x-demiton-unit": "currency per `unit_normalized`"
    },
    "citation": {
      "type": "object",
      "description": "the source workbook path, sheet name and line reference",
      "x-demiton-requiredness": "required"
    },
    "revision": {
      "type": "string",
      "description": "the submission revision the agent recorded",
      "x-demiton-requiredness": "optional"
    },
    "unit_raw": {
      "type": "string",
      "description": "the unit exactly as written in the workbook",
      "x-demiton-requiredness": "optional"
    },
    "composite": {
      "type": "boolean",
      "description": "the unit could not be normalised to a known alias, so the rate is a composite",
      "x-demiton-requiredness": "optional"
    },
    "work_item": {
      "type": "string",
      "description": "the description of the priced line, as written in the submission",
      "x-demiton-requiredness": "required"
    },
    "rate_family": {
      "type": "string",
      "description": "the rate-book bucket, classified from the sheet name and unit",
      "x-demiton-requiredness": "optional"
    },
    "counterparty": {
      "type": "string",
      "description": "the party the submission was made to",
      "x-demiton-requiredness": "optional"
    },
    "submitted_at": {
      "type": "string",
      "description": "when the priced schedule was submitted",
      "x-demiton-requiredness": "optional",
      "x-demiton-unit": "ISO-8601",
      "format": "date-time",
      "x-demiton-type": "datetime"
    },
    "gst_inclusive": {
      "type": "boolean",
      "description": "whether `rate` is inclusive of GST",
      "x-demiton-requiredness": "optional"
    },
    "work_activity": {
      "type": "string",
      "description": "a v2 taxonomy classification of the work",
      "x-demiton-requiredness": "optional"
    },
    "unit_normalized": {
      "type": "string",
      "description": "the controlled unit of measure the rate is per",
      "x-demiton-requiredness": "required"
    },
    "derived_rate_per_m": {
      "type": "number",
      "description": "`rate / band.max` for an each-unit line with a band",
      "x-demiton-requiredness": "optional",
      "x-demiton-unit": "currency per m"
    }
  },
  "x-demiton-register-type": "tendered_rate_observation",
  "x-demiton-contract-version": "1.0.2",
  "x-demiton-store": "tenant",
  "x-demiton-axes": [],
  "x-demiton-measures": [],
  "x-demiton-provenance": {
    "standards": [
      {
        "code": "AS 4000-1997",
        "title": "General Conditions of Contract (superseded edition, still in use)",
        "access": "paywalled_secondary",
        "region": "Australia",
        "edition": "1997",
        "checked_on": "2026-09-14"
      },
      {
        "code": "AS 4000:2025",
        "title": "General Conditions of Contract (construct only)",
        "access": "paywalled_secondary",
        "region": "Australia",
        "edition": "2025",
        "checked_on": "2026-09-14"
      },
      {
        "code": "ATO tax invoice rules (GST Act 1999)",
        "title": "GST tax invoice and recipient-created tax invoice requirements (A New Tax System (Goods and Services Tax) Act 1999, ATO guidance)",
        "access": "public_summary",
        "region": "Australia",
        "edition": "ATO guidance updated 25 Aug 2025",
        "checked_on": "2026-09-14"
      },
      {
        "code": "SA BCISP Act 2009",
        "title": "Building and Construction Industry Security of Payment Act 2009 (SA)",
        "access": "public_summary",
        "region": "Australia",
        "edition": "2009",
        "checked_on": "2026-09-14"
      },
      {
        "code": "TAS BCISP Act 2009",
        "title": "Building and Construction Industry Security of Payment Act 2009 (Tas)",
        "access": "full_text_verified",
        "clause": "s 17(2)",
        "region": "Australia",
        "edition": "2009 (in force 2025-10-11)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "WA BCISP Act 2021",
        "title": "Building and Construction Industry (Security of Payment) Act 2021 (WA)",
        "access": "full_text_verified",
        "clause": "s 24",
        "region": "Australia",
        "edition": "2021",
        "checked_on": "2026-09-14"
      },
      {
        "code": "ICMS 3",
        "title": "International Cost Management Standard",
        "access": "public_summary",
        "region": "International",
        "edition": "3rd edition (2021)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "NZ GST taxable supply information",
        "title": "Goods and Services Tax Act 1985 (NZ) taxable supply information rules (IRD guidance)",
        "access": "public_summary",
        "region": "New Zealand",
        "edition": "regime from 1 Apr 2023",
        "checked_on": "2026-09-14"
      }
    ]
  },
  "description": "One priced line from a tender you submitted: item, unit, rate and quantity.",
  "x-demiton-contract-url": "https://docs.demiton.io/registers/tendered_rate_observation/",
  "x-demiton-register-catalog": "https://docs.demiton.io/concepts/register-catalog"
}