{"id":"F2022L00660","name":"Statement of Principles concerning malignant neoplasm of the larynx (Reasonable Hypothesis) (No. 41of 2022)","slug":"statement-of-principles-concerning-malignant-neoplasm-of-the-larynx-reasonable-hypothesis-no-41of-20","collection":"legislative_instrument","jurisdiction":"commonwealth","status":"in_force","isInForce":true,"actNumber":null,"makingDate":null,"administeringDepartment":null,"currentVersion":{"id":102429,"registerId":"commonwealth-F2022L00660-current","compilationNumber":null,"startDate":"2026-04-03","status":"InForce","reasons":null,"registeredAt":null},"sections":[{"sectionNumber":"1","sectionType":"section","heading":"Statement of Principles concerning malignant neoplasm of the larynx (Reasonable Hypothesis) (No. 41of 2022)","content":"![Commonwealth Coat of Arms](image.001.png)\n\nStatement of Principles concerning malignant neoplasm of the larynx (Reasonable Hypothesis) (No. 41 of 2022)\n\nmade under subsection 196B(2) of the\n\nVeterans' Entitlements Act 1986\n\nCompilation No. 1\n\nCompilation date: 26 March 2024\n\nIncludes amendments: Amendment Statement of Principles concerning factors relating to being in Vietnam (Reasonable Hypothesis) (No. 27 of 2024) (F2024L00224)\n\nThe day of commencement of this Amendment Statement of Principles concerning factors relating to being in Vietnam is 26 March 2024.\n\nAbout this compilation\n\nThis compilation\n\nThis is a compilation of the Statement of Principles concerning malignant neoplasm of the larynx (Reasonable Hypothesis) (No. 41 of 2022) that shows the text of the law as amended and in force on 26 March 2024.\n\nThe notes at the end of this compilation (the endnotes) include information about amending laws and the amendment history of provisions of the compiled law.\n\nUncommenced amendments\n\nThe effect of uncommenced amendments is not shown in the text of the compiled law. Any uncommenced amendments affecting the law are accessible on the Register (www.legislation.gov.au). The details of amendments made up to, but not commenced at, the compilation date are underlined in the endnotes. For more information on any uncommenced amendments, see the Register for the compiled law.\n\nApplication, saving and transitional provisions for provisions and amendments\n\nIf the operation of a provision or amendment of the compiled law is affected by an application, saving or transitional provision that is not included in this compilation, details are included in the endnotes.\n\nModifications\n\nIf the compiled law is modified by another law, the compiled law operates as modified but the modification does not amend the text of the law. Accordingly, this compilation does not show the text of the compiled law as modified. For more information on any modifications, see the Register for the compiled law.\n\nSelf‑repealing provisions\n\nIf a provision of the compiled law has been repealed in accordance with a provision of the law, details are included in the endnotes.\n\nContents\n\n1 Name\n\n3 Authority\n\n5 Application\n\n6 Definitions\n\n7 Kind of injury, disease or death to which this Statement of Principles relates\n\n8 Basis for determining the factors\n\n9 Factors that must exist\n\n10 Relationship to service\n\n11 Factors referring to an injury or disease covered by another Statement of Principles\n\nSchedule 1 - Dictionary\n\n1 Definitions\n\nEndnotes\n\nEndnote 1—About the endnotes\n\nEndnote 2—Abbreviation key\n\nEndnote 3—Legislation history\n\nEndnote 4—Amendment history\n\n  \n\n1 Name\n\nThis is the Statement of Principles concerning malignant neoplasm of the larynx (Reasonable Hypothesis) (No. 41of 2022).\n\n3 Authority\n\nThis instrument is made under subsection 196B(2) of the Veterans' Entitlements Act 1986.\n\n5 Application\n\nThis instrument applies to a claim to which section 120A of the VEA or section 338 of the Military Rehabilitation and Compensation Act 2004 applies.\n\n6 Definitions\n\nThe terms defined in the Schedule 1 - Dictionary have the meaning given when used in this instrument.\n\n7 Kind of injury, disease or death to which this Statement of Principles relates\n\n(1) This Statement of Principles is about malignant neoplasm of the larynx and death from malignant neoplasm of the larynx.\n\nMeaning of malignant neoplasm of the larynx\n\n(2) For the purposes of this Statement of Principles, malignant neoplasm of the larynx:\n\n(a) means a primary malignancy of the mucosa of the larynx, which extends from the lower border of the hypopharynx to the upper border of the trachea; and\n\n(b) excludes:\n\n(i) carcinoid tumour;\n\n(ii) Hodgkin's lymphoma;\n\n(iii) non-Hodgkin lymphoma; and\n\n(iv) soft tissue sarcoma.\n\n> Note: The larynx is divided anatomically into three sections: the supraglottis, glottis and subglottis (infraglottis).\n\n(3) While malignant neoplasm of the larynx attracts ICD‑10‑AM code C32, in applying this Statement of Principles the meaning of malignant neoplasm of the larynx is that given in subsection (2).\n\n(4) For subsection (3), a reference to an ICD-10-AM code is a reference to the code assigned to a particular kind of injury or disease in The International Statistical Classification of Diseases and Related Health Problems, Tenth Revision, Australian Modification (ICD-10-AM), Tenth Edition, effective date of 1 July 2017, copyrighted by the Independent Hospital Pricing Authority, ISBN 978-1-76007-296-4.\n\nDeath from malignant neoplasm of the larynx\n\n(5) For the purposes of this Statement of Principles, malignant neoplasm of the larynx, in relation to a person, includes death from a terminal event or condition that was contributed to by the person's malignant neoplasm of the larynx.\n\n> Note: terminal event is defined in the Schedule 1 – Dictionary.\n\n8 Basis for determining the factors\n\nThe Repatriation Medical Authority is of the view that there is sound medical‑scientific evidence that indicates that malignant neoplasm of the larynx and death from malignant neoplasm of the larynx can be related to relevant service rendered by veterans, members of Peacekeeping Forces, or members of the Forces under the VEA, or members under the MRCA.\n\n> Note: MRCA, relevant service and VEA are defined in the Schedule 1 – Dictionary.\n\n9 Factors that must exist\n\nAt least one of the following factors must as a minimum exist before it can be said that a reasonable hypothesis has been raised connecting malignant neoplasm of the larynx or death from malignant neoplasm of the larynx with the circumstances of a person's relevant service:\n\n(1) having smoked tobacco products:\n\n(a) in an amount of at least 1.5 pack-years before the clinical onset of malignant neoplasm of the larynx; and\n\n(b) commencing at least 5 years before the clinical onset of malignant neoplasm of the larynx; and\n\nif smoking has ceased before the clinical onset of malignant neoplasm of the larynx, then that onset occurred within 20 years of cessation;\n\n> Note: one pack-year is defined in the Schedule 1 - Dictionary.\n\n(2) having been exposed to second-hand smoke:\n\n(a) for at least 5,000 hours before the clinical onset of malignant neoplasm of the larynx; and\n\n(b) commencing at least 5 years before the clinical onset of malignant neoplasm of the larynx; and\n\nif exposure to second-hand smoke has ceased before the clinical onset of malignant neoplasm of the larynx, then that onset occurred within 20 years of cessation;\n\n> Note: having been exposed to second-hand smoke is defined in the Schedule 1 – Dictionary.\n\n(3) being exposed to mustard gas at least 5 years before the clinical onset of malignant neoplasm of the larynx;\n\n(4) inhaling respirable asbestos fibres in an enclosed space, at the time material containing asbestos was being applied, removed, cut, drilled, dislodged or disturbed:\n\n(a) for a cumulative period of at least 1,000 hours before the clinical onset of malignant neoplasm of the larynx; and\n\n(b) where the first inhalation of asbestos fibres commenced at least 5 years before the clinical onset of malignant neoplasm of the larynx;\n\n> Note: Disturbance of debris or dust contaminated with asbestos fibres already present in an enclosed space may result in exposure to respirable asbestos fibres.\n\n(5) inhaling respirable asbestos fibres in an open environment, at the time material containing asbestos was being applied, removed, cut, drilled, dislodged or disturbed:\n\n(a) for a cumulative period of at least 3,000 hours before the clinical onset of malignant neoplasm of the larynx; and\n\n(b) where the first inhalation of asbestos fibres commenced at least 5 years before the clinical onset of malignant neoplasm of the larynx;\n\n> Note: Disturbance of debris or dust contaminated with asbestos fibres already present in an open environment may result in exposure to respirable asbestos fibres.\n\n(6) inhaling smoke from the combustion of wood, charcoal, coal or other biomass or fossil fuel, in an enclosed space:\n\n(a) for a cumulative period of at least 7,500 hours before the clinical onset of malignant neoplasm of the larynx; and\n\n(b) commencing at least 5 years before the clinical onset of malignant neoplasm of the larynx;\n\n(7) consuming alcohol:\n\n(a) in an amount of at least 100 kilograms within any 10 year period; and\n\n(b) at least 5 years before the clinical onset of malignant neoplasm of the larynx; and\n\nif consumption of alcohol has ceased before the clinical onset of malignant neoplasm of the larynx, then that onset occurred within 40 years of cessation;\n\n> Note: Alcohol consumption is calculated utilising the Australian Standard of 10 grams of alcohol per standard alcoholic drink.\n\n(8) inhaling, ingesting or having cutaneous contact with a chemical agent contaminated by 2,3,7,8-tetrachlorodibenzo-para-dioxin (TCDD):\n\n(a) for a cumulative period of at least 1,000 hours, within a consecutive period of 10 years before the clinical onset of malignant neoplasm of the larynx; and\n\n(b) where the first exposure occurred at least 5 years before the clinical onset of malignant neoplasm of the larynx;\n\n> Note: inhaling, ingesting or having cutaneous contact with a chemical agent contaminated by 2,3,7,8-tetrachlorodibenzo-para-dioxin (TCDD) is defined in the Schedule 1 – Dictionary.\n\n(9) being:\n\n(a) on land in Vietnam; or\n\n(b) at sea in Vietnamese waters; or\n\n(c) on board a vessel and consuming potable water supplied on that vessel, when the water supply had been produced by evaporative distillation of estuarine Vietnamese waters;\n\nfor a cumulative period of at least 30 days, at least 5 years before the clinical onset of malignant neoplasm of the larynx;\n\n> Note: being:\n\n> Note: (a) on land in Vietnam; or\n\n> Note: (b) at sea in Vietnamese waters; and estuarine Vietnamese waters and potable water are defined in the Schedule 1 – Dictionary.\n\n(10) inhaling mist from sulphuric, nitric or hydrochloric acid:\n\n(a) for a cumulative period of at least 5,000 hours before the clinical onset of malignant neoplasm of the larynx; and\n\n(b) where inhalation of the mist commenced at least 5 years before the clinical onset of malignant neoplasm of the larynx;\n\n> Note: mist is defined in the Schedule 1 – Dictionary.\n\n(11) undergoing solid organ transplantation, excluding corneal transplant, before the clinical onset of malignant neoplasm of the larynx;\n\n(12) having infection with human immunodeficiency virus before the clinical onset of malignant neoplasm of the larynx;\n\n(13) acquiring persistent infection of the laryngeal epithelium with human papillomavirus type 16 or 18 before the clinical onset of malignant neoplasm of the larynx;\n\n(14) consuming maté:\n\n(a) on more days than not; and\n\n(b) for at least 5 years before the clinical onset of malignant neoplasm of the larynx; and\n\nif consumption of maté has ceased before the clinical onset of malignant neoplasm of the larynx, then that onset occurred within 15 years of cessation;\n\n(15) inability to consume an average of at least 200 grams per day of any combination of fruits and vegetables, for a period of at least 5 consecutive years within the 20 years before the clinical onset of malignant neoplasm of the larynx;\n\n(16) having gastro-oesophageal reflux disease for at least the 5 years before the clinical onset of malignant neoplasm of the larynx;\n\n(17) inhaling or ingesting opium on average at least weekly for at least 10 years before the clinical onset of malignant neoplasm of the larynx;\n\n> Note: opium is defined in the Schedule 1 - Dictionary.\n\n(18) inhaling high concentrations of polycyclic aromatic hydrocarbons, through work involving a specified industry, manufacturing process or agent:\n\n(a) for a cumulative period of at least 1,500 hours before the clinical onset of malignant neoplasm of the larynx; and\n\n(b) where the first inhalation of polycyclic aromatic hydrocarbons occurred at least 5 years before the clinical onset of malignant neoplasm of the larynx;\n\n> Note: polycyclic aromatic hydrocarbons and specified industry, manufacturing process or agent are defined in the Schedule 1 – Dictionary.\n\n(19) using manual welding equipment for welding metal for a cumulative period of at least 10 years before the clinical onset of malignant neoplasm of the larynx;\n\n(20) inability to obtain appropriate clinical management for malignant neoplasm of the larynx.\n\n10 Relationship to service\n\n(1) The existence in a person of any factor referred to in section 9, must be related to the relevant service rendered by the person.\n\n(2) The factor set out in subsection 9(20) applies only to material contribution to, or aggravation of, malignant neoplasm of the larynx where the person's malignant neoplasm of the larynx was suffered or contracted before or during (but did not arise out of) the person's relevant service.\n\n11 Factors referring to an injury or disease covered by another Statement of Principles\n\nIn this Statement of Principles:\n\n(1) if a factor referred to in section 9 applies in relation to a person; and\n\n(2) that factor refers to an injury or disease in respect of which a Statement of Principles has been determined under subsection 196B(2) of the VEA;\n\nthen the factors in that Statement of Principles apply in accordance with the terms of that Statement of Principles as in force from time to time.\n\nSchedule 1 \\- Dictionary\n\nNote: See Section 6\n\n1 Definitions\n\nIn this instrument:\n\nbeing:\n\n(a) on land in Vietnam; or\n\n(b) at sea in Vietnamese waters;\n\nmeans service in at least one of the areas and at the times described in Items 3A, 3B, 4 and 8 of Schedule 2 of the Veterans' Entitlements Act 1986.\n\n> Note: VEA is also defined in the Schedule 1 - Dictionary.\n\nestuarine Vietnamese waters means at least one of the waterways or harbours in the relevant areas described in Items 4 and 8 of Schedule 2 of the VEA.\n\n> Note: VEA is also defined in the Schedule 1 – Dictionary.\n\nhaving been exposed to second-hand smoke means having been in an enclosed space and inhaling smoke from burning tobacco products or smoke that has been exhaled by another person who is smoking.\n\ninhaling, ingesting or having cutaneous contact with a chemical agent contaminated by 2,3,7,8-tetrachlorodibenzo-para-dioxin (TCDD) means:\n\n(a) decanting or spraying;\n\n(b) cleaning or maintaining equipment used to apply;\n\n(c) being sprayed with;\n\n(d) handling or sawing timber treated with;\n\n(e) being in an environment shrouded in dust from timber treated with; or\n\n(f) using cutting oils contaminated with;\n\none of the following chemicals:\n\n(i) 2,4,5-trichlorophenoxyacetic acid;\n\n(ii) 2,4,5-trichlorophenoxypropionic acid;\n\n(iii) 2,4,5-trichlorophenol;\n\n(iv) 2-(2,4,5-trichlorophenoxy)-ethyl 2,2-dichloropropionate;\n\n(v) o,o-dimethyl-o-(2,4,5-trichlorophenyl)-phosphorothioate;\n\n(vi) pentachlorophenol;\n\n(vii) 2,3,4,6-tetrachlorophenol;\n\n(viii) 2,4,6-trichlorophenol;\n\n(ix) 1,3,5-trichloro-2-(4-nitrophenoxy)benzene;\n\n(x) 2,4-dichloro-1-(4-nitrophenoxy)benzene; or\n\n(xi) 2,4-dichloro-1-(3-methoxy-4-nitrophenoxy)-benzene.\n\nmalignant neoplasm of the larynx—see subsection 7(2).\n\nmist means a liquid aerosol formed by condensation of a vapour or by atomisation of a liquid.\n\nMRCA means the Military Rehabilitation and Compensation Act 2004.\n\none pack-year means the amount of tobacco consumed in smoking 20 cigarettes per day for a period of 1 year, or an equivalent amount of tobacco products.\n\n> Note 1: An equivalent amount of tobacco products is 7,300 grams of smoking tobacco by weight, either in cigarettes, pipe tobacco or cigars, or a combination of same. For pipe tobacco, cigars or combinations of multiple tobacco types, 1 gram of tobacco is considered to be equal to one cigarette.\n\n> Note 2: Pack-years are calculated by dividing the number of cigarettes smoked per day by 20 and multiplying this number by the number of years the person has smoked. For example, smoking 10 cigarettes per day for 10 years is equal to 5 pack-years, and smoking 40 cigarettes per day for 10 years is equal to 20 pack-years.\n\nopium means the dried or boiled juice (latex) obtained from the seedpod of the poppy plant (Papaver somniferum).\n\npolycyclic aromatic hydrocarbons means hydrocarbons with three or more condensed aromatic rings in which certain carbon atoms are common to two or three rings. Polycyclic aromatic hydrocarbons occur in crude oil, shale oil and coal tars, and can be formed during the combustion of organic material or during high temperature processing of crude oil, coal, coke or other industrial carbon compounds.\n\npotable water means water used for drinking water, food preparation and beverage production.\n\nprinting means the use of printing plates and the operation of printing presses to print text and illustrations, and includes occupations such as type setters, printers (not textile printers) and book binders.\n\nrelevant service means:\n\n(a) operational service under the VEA;\n\n(b) peacekeeping service under the VEA;\n\n(c) hazardous service under the VEA;\n\n(d) British nuclear test defence service under the VEA;\n\n(e) warlike service under the MRCA; or\n\n(f) non-warlike service under the MRCA.\n\n> Note: MRCA and VEA are also defined in the Schedule 1 - Dictionary.\n\nspecified industry, manufacturing process or agent means:\n\n(a) aluminium production;\n\n(b) coke production;\n\n(c) iron and steel founding;\n\n(d) metalworking fluids;\n\n(e) printing;\n\n(f) rubber production; or\n\n(g) soot during the cleaning of chimneys or flues.\n\n> Note: printing is also defined in the Schedule 1 - Dictionary.\n\nterminal event means the proximate or ultimate cause of death and includes the following:\n\n(a) pneumonia;\n\n(b) respiratory failure;\n\n(c) cardiac arrest;\n\n(d) circulatory failure; or\n\n(e) cessation of brain function.\n\nVEA means the Veterans' Entitlements Act 1986.\n\n> Note: Endnotes\n\n> Note: Endnote 1—About the endnotes\n\nThe endnotes provide information about this compilation and the compiled law.\n\nThe following endnotes are included in every compilation:\n\nEndnote 1—About the endnotes\n\nEndnote 2—Abbreviation key\n\nEndnote 3—Legislation history\n\nEndnote 4—Amendment history\n\nAbbreviation key—Endnote 2\n\nThe abbreviation key sets out abbreviations that may be used in the endnotes.\n\nLegislation history and amendment history—Endnotes 3 and 4\n\nAmending laws are annotated in the legislation history and amendment history.\n\nThe legislation history in endnote 3 provides information about each law that has amended (or will amend) the compiled law. The information includes commencement details for amending laws and details of any application, saving or transitional provisions that are not included in this compilation.\n\nThe amendment history in endnote 4 provides information about amendments at the provision (generally section or equivalent) level. It also includes information about any provision of the compiled law that has been repealed in accordance with a provision of the law.\n\nMisdescribed amendments\n\nA misdescribed amendment is an amendment that does not accurately describe how an amendment is to be made. If, despite the misdescription, the amendment can be given effect as intended, then the misdescribed amendment can be incorporated through an editorial change made under section 15V of the Legislation Act 2003.\n\nIf a misdescribed amendment cannot be given effect as intended, the amendment is not incorporated and “(md not incorp)” is added to the amendment history.\n\n> Note: Endnote 2—Abbreviation key\n\n| ad = added or inserted                         | orig = original                     |\n| ---------------------------------------------- | ----------------------------------- |\n| am = amended                                   | par = paragraph(s)/subparagraph(s)  |\n| amdt = amendment                               | /sub‑subparagraph(s)                |\n| c = clause(s)                                  | pres = present                      |\n| C[x] = Compilation No. x                       | prev = previous                     |\n| Ch = Chapter(s)                                | (prev…) = previously                |\n| def = definition(s)                            | Pt = Part(s)                        |\n| Dict = Dictionary                              | r = regulation(s)/rule(s)           |\n| disallowed = disallowed by Parliament          | reloc = relocated                   |\n| Div = Division(s)                              | renum = renumbered                  |\n| exp = expires/expired or ceases/ceased to have | rep = repealed                      |\n| effect                                         | rs = repealed and substituted       |\n| F = Federal Register of Legislation            | s = section(s)/subsection(s)        |\n| gaz = gazette                                  | Sch = Schedule(s)                   |\n| LA = Legislation Act 2003                      | Sdiv = Subdivision(s)               |\n| LIA = Legislative Instruments Act 2003         | SLI = Select Legislative Instrument |\n| (md not incorp) = misdescribed amendment       | SR = Statutory Rules                |\n| cannot be given effect                         | Sub‑Ch = Sub‑Chapter(s)             |\n| mod = modified/modification                    | SubPt = Subpart(s)                  |\n| No. = Number(s)                                | underlining = whole or part not     |\n| o = order(s)                                   | commenced or to be commenced        |\n| Ord = Ordinance                                |                                     |\n\n> Note: Endnote 3—Legislation history\n\n| Name                                                                                                                       | Registration                | Commencement  | Application, saving and transitional provisions |\n| -------------------------------------------------------------------------------------------------------------------------- | --------------------------- | ------------- | ----------------------------------------------- |\n| Statement of Principles concerning malignant neoplasm of the larynx (Reasonable Hypothesis) (No. 41 of 2022)               | 2 May 2022F2022L00660       | 30 May 2022   |                                                 |\n| Amendment Statement of Principles concerning factors relating to being in Vietnam (Reasonable Hypothesis) (No. 27 of 2024) | 28 February 2024F2024L00224 | 26 March 2024 |                                                 |\n\n> Note: Endnote 4—Amendment history\n\n| Provision affected                                                                                | How affected       |\n| ------------------------------------------------------------------------------------------------- | ------------------ |\n| Section 2……………….                                                                                  | rep LA s 48D       |\n| Section 4……………….                                                                                  | rep LA s 48C       |\n| Schedule 1 – Dictionary – ' \"being (a) on land in Vietnam; or (b) at sea in Vietnamese waters\"….' | rs. No. 27 of 2024 |","sortOrder":0}],"analysis":{"flash_summary_failed":{"failed":true,"reason":"A positive credit balance is required for all requests, including BYOK, so fallback providers remain available. Add credits at https://vercel.com/d?to=%2F%5Bteam%5D%2F%7E%2Fai%3Fmodal%3Dtop-up to continue.","source":"analysis-cron"},"kimi_summary":{"content_quality":"ok","complexity_score":5,"scope_assessment":{"changed":false,"description":"The legislation remains focused on its original purpose: establishing causal factors for laryngeal cancer in veterans. The 2024 amendment updated the Vietnam service definitions to align with changes in the parent Act, but did not expand the scope beyond the original medical-scientific assessment of service-related causation."},"complexity_factors":["20 distinct causal factors with specific quantitative thresholds (e.g., '1.5 pack-years', '5,000 hours', '100 kilograms within any 10 year period')","Multiple temporal conditions attached to factors (e.g., 'commencing at least 5 years before', 'within 20 years of cessation')","15 defined terms in Schedule 1 Dictionary, including technical medical and chemical definitions (e.g., 'polycyclic aromatic hydrocarbons', 'TCDD', 'mist')","Cross-references to other legislation (Veterans' Entitlements Act 1986, Military Rehabilitation and Compensation Act 2004) and external classification systems (ICD-10-AM)","Nested definitions (e.g., 'specified industry' definition refers to 'printing', which has its own separate definition)","Specific exclusions in the disease definition (carcinoid tumour, Hodgkin's lymphoma, etc.)","Section 11 creates a recursive relationship with other Statements of Principles, requiring readers to consult potentially multiple instruments"],"plain_english_summary":"This Statement of Principles under the Veterans' Entitlements Act 1986 sets the medical rules for when laryngeal (voice box) cancer can be reasonably linked to military service by identifying 20 risk factors that, if proven and tied to service, create a “reasonable hypothesis” of causation. \n\nIt applies to veterans, peacekeepers and current or former Defence personnel claiming under the VEA or the MRCA and matters because it defines clear evidence thresholds to ensure consistent compensation decisions."},"flash_summary":{"complexity_score":6,"scope_assessment":{"changed":true,"description":"Yes. The instrument was amended (Amendment No. 27 of 2024, commenced 26 March 2024) to add a Vietnam‑service factor to section 9(9) — covering being on land in Vietnam, at sea in Vietnamese waters, or consuming potable water produced by evaporative distillation of estuarine Vietnamese waters for a cumulative period of at least 30 days at least 5 years before clinical onset — and to update the Schedule 1 dictionary definition of that service (see section 9(9); Endnotes 3–4 and Schedule 1)."},"complexity_factors":["Many distinct, specific exposure criteria with numeric thresholds (hours, pack‑years, kilograms, days) and required minimum latency periods (section 9).","Temporal rules for cessation and latency (eg. smoking cessation 20 years; alcohol cessation 40 years) that affect applicability (section 9).","Multiple exposure pathways and modalities (inhalation, ingestion, cutaneous contact, enclosed vs open environment, potable water) requiring different proofs (sections 9, Schedule 1).","Interplay with other Statements of Principles: factors that reference other SOPs defer to those instruments (section 11).","Detailed definitional cross‑references (ICD‑10‑AM code, pack‑year calculation, definitions of mist, opium, polycyclic aromatic hydrocarbons, 'being in Vietnam') spread through Schedule 1.","Application to two legislative schemes (VEA and MRCA) and to both disease and death from disease, which affects legal tests and evidentiary pathways (section 5, sections 7(5), 9–10).","Administrative judgement required: Repatriation Medical Authority sets the medical‑scientific basis but decision makers must assess factual exposure histories and causal relation to relevant service (sections 8–10).","Amendment history and compilation notes introduce change‑tracking and potential transitional issues for claims spanning amendment dates (endnotes 3–4)."],"plain_english_summary":"This instrument lists the specific exposures, infections and other conditions that, if established, raise a 'reasonable hypothesis' that malignant neoplasm of the larynx is related to a person's service and so may support a VEA or MRCA claim (ss.5, 7, 9). It requires claimants to meet quantitative timing and duration thresholds for listed factors (eg. smoking, asbestos, Vietnam service, chemical exposures); decision‑makers treat those thresholds as the minimum evidence to connect the cancer to service (ss.9–10)."}},"importantCases":[],"_links":{"self":"/api/acts/statement-of-principles-concerning-malignant-neoplasm-of-the-larynx-reasonable-hypothesis-no-41of-20","history":"/api/acts/statement-of-principles-concerning-malignant-neoplasm-of-the-larynx-reasonable-hypothesis-no-41of-20/history","analysis":"/api/acts/statement-of-principles-concerning-malignant-neoplasm-of-the-larynx-reasonable-hypothesis-no-41of-20/analysis","conflicts":"/api/acts/statement-of-principles-concerning-malignant-neoplasm-of-the-larynx-reasonable-hypothesis-no-41of-20/conflicts","importantCases":"/api/acts/statement-of-principles-concerning-malignant-neoplasm-of-the-larynx-reasonable-hypothesis-no-41of-20/important-cases","documents":"/api/acts/statement-of-principles-concerning-malignant-neoplasm-of-the-larynx-reasonable-hypothesis-no-41of-20/documents"}}