{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://docs.demiton.io/registers/project_milestone/v1.json",
  "title": "project_milestone contract v1",
  "type": "object",
  "required": [
    "name",
    "planned_date",
    "source"
  ],
  "properties": {
    "name": {
      "type": "string",
      "description": "The milestone / dated event label the contract is measured against",
      "x-demiton-requiredness": "required"
    },
    "source": {
      "type": "string",
      "description": "Whether the milestone was inferred by extraction or entered by a person",
      "x-demiton-requiredness": "required"
    },
    "confidence": {
      "type": "string",
      "description": "Qualitative extraction confidence",
      "x-demiton-requiredness": "optional"
    },
    "actual_date": {
      "type": "string",
      "description": "The date the milestone actually occurred; null while it is forecast",
      "x-demiton-requiredness": "optional",
      "x-demiton-unit": "date",
      "format": "date",
      "x-demiton-type": "date"
    },
    "description": {
      "type": "string",
      "description": "Free-text detail about the milestone",
      "x-demiton-requiredness": "optional"
    },
    "planned_date": {
      "type": "string",
      "description": "The contractually planned date of the milestone",
      "x-demiton-requiredness": "required",
      "x-demiton-unit": "date",
      "format": "date",
      "x-demiton-type": "date"
    },
    "milestone_type": {
      "type": "string",
      "description": "Class of event (`start`, `design`, `construction`, `practical_completion`, `milestone`)",
      "x-demiton-requiredness": "optional"
    }
  },
  "x-demiton-register-type": "project_milestone",
  "x-demiton-contract-version": "1.0.2",
  "x-demiton-store": "tenant",
  "x-demiton-axes": [],
  "x-demiton-measures": [],
  "x-demiton-provenance": {
    "standards": [
      {
        "code": "AS 2124-1992",
        "title": "General Conditions of Contract",
        "access": "paywalled_secondary",
        "clause": "Annexure Part A",
        "region": "Australia",
        "edition": "1992 (superseded)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "AS 4000-1997",
        "title": "General Conditions of Contract",
        "access": "paywalled_secondary",
        "clause": "cl 37.1/37.2 (per commentary)",
        "region": "Australia",
        "edition": "1997 (superseded edition, still in use)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "AS 4000:2025",
        "title": "General Conditions of Contract (construct only)",
        "access": "paywalled_secondary",
        "clause": "cl 37.2 (per commentary)",
        "region": "Australia",
        "edition": "2025",
        "checked_on": "2026-09-14"
      },
      {
        "code": "AS 4902-2000",
        "title": "General Conditions of Contract for Design and Construct",
        "access": "paywalled_secondary",
        "region": "Australia",
        "edition": "2000 (R2005); status unverified",
        "checked_on": "2026-09-14"
      },
      {
        "code": "Building and Construction Industry Security of Payment Act 2002 (Vic)",
        "title": "Vic security of payment (2026 reforms)",
        "access": "public_summary",
        "clause": "s 14C",
        "region": "Australia",
        "edition": "as amended 15 Apr 2026",
        "checked_on": "2026-09-14"
      },
      {
        "code": "Building and Construction Industry Security of Payment Act 2009 (SA)",
        "title": "SA security of payment",
        "access": "public_summary",
        "region": "Australia",
        "edition": "as amended",
        "checked_on": "2026-09-14"
      },
      {
        "code": "OC4IDS",
        "title": "Open Contracting for Infrastructure Data Standard",
        "access": "full_text_verified",
        "clause": "project milestones",
        "region": "International",
        "edition": "0.9.5 (switcher shows 0.9.4; unverified)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "Construction Contracts Act 2002 (NZ)",
        "title": "Construction Contracts Act 2002 (2002 No 46)",
        "access": "full_text_verified",
        "clause": "s 20(1)",
        "region": "New Zealand",
        "edition": "as at 5 Oct 2023",
        "checked_on": "2026-09-14"
      },
      {
        "code": "Housing Grants, Construction and Regeneration Act 1996 Part II",
        "title": "HGCRA 1996 Part II (Payment), as amended by LDEDCA 2009",
        "access": "full_text_verified",
        "clause": "ss 110-113",
        "region": "United Kingdom",
        "edition": "as amended (2011)",
        "checked_on": "2026-09-14"
      },
      {
        "code": "SI 1998/649",
        "title": "Scheme for Construction Contracts (England and Wales) Regulations 1998",
        "access": "full_text_verified",
        "clause": "para 5",
        "region": "United Kingdom",
        "edition": "as amended 2011",
        "checked_on": "2026-09-14"
      }
    ]
  },
  "description": "Delivery milestones: planned and actual dates for practical completion, defects liability and other key dates.",
  "x-demiton-contract-url": "https://docs.demiton.io/registers/project_milestone/",
  "x-demiton-register-catalog": "https://docs.demiton.io/concepts/register-catalog"
}