addedInput schema / properties / income
Added value: +{
+ "description": "Optional gross annual income, before tax. The same number is applied in EACH country's own local currency — it is NOT converted (120000 means AUD 120,000 in AU, GBP 120,000 in GB and SGD 120,000 in SG). When given, each row adds an income-tax estimate for that income",
+ "examples": [
+ 120000
+ ],
+ "minimum": 0,
+ "type": "number"
+}
addedInput schema / properties / taxYear
Added value: +{
+ "description": "Optional, only with income: the tax-year label passed to the income-tax estimate for every country, e.g. '2025-26' (AU/NZ/GB/IN) or '2026' (calendar-year countries). Labels differ by country; a country without that year reports the years it has instead of a figure. Omit for each country's current tax year",
+ "type": "string"
+}
addedOutput schema / properties / relatedFact
Added value: +{
+ "additionalProperties": false,
+ "description": "One sourced background fact about the country's consumption tax; the figures do not depend on it. Absent when no sourced fact fits.",
+ "properties": {
+ "context": {
+ "description": "Present on a state or provincial answer: the fact is about the country as a whole",
+ "enum": [
+ "national"
+ ],
+ "type": "string"
+ },
+ "country": {
+ "description": "2-letter ISO code of the country the fact is about",
+ "type": "string"
+ },
+ "detail": {
+ "description": "Longer supporting detail, when the corpus has it",
+ "type": "string"
+ },
+ "fact": {
+ "description": "The fact, in one or two sentences",
+ "type": "string"
+ },
+ "kind": {
+ "description": "'origin' = when the tax began and what it replaced; 'anniversary' = the same, on the anniversary of its start date; 'story' = a dated story from the facts corpus",
+ "enum": [
+ "origin",
+ "story",
+ "anniversary"
+ ],
+ "type": "string"
+ },
+ "more": {
+ "description": "The tool that returns the full sourced fact set for this country",
+ "enum": [
+ "tax_facts"
+ ],
+ "type": "string"
+ },
+ "sourceName": {
+ "description": "Who the fact is sourced to",
+ "type": "string"
+ },
+ "sourceUrl": {
+ "description": "Link to that source — always present",
+ "type": "string"
+ },
+ "topic": {
+ "description": "Which tax the fact is about",
+ "enum": [
+ "gst",
+ "income",
+ "company",
+ "cgt",
+ "super",
+ "studentloan",
+ "general"
+ ],
+ "type": "string"
+ },
+ "verifiedDate": {
+ "description": "ISO date the fact was last checked against its source, when recorded",
+ "type": "string"
+ }
+ },
+ "required": [
+ "kind",
+ "topic",
+ "country",
+ "fact",
+ "sourceName",
+ "sourceUrl",
+ "more"
+ ],
+ "type": "object"
+}
addedOutput schema / properties / rows / items / properties / dataVerifiedOn
Added value: +{
+ "description": "ISO date this country's rate was last confirmed against the authority",
+ "type": "string"
+}
addedOutput schema / properties / rows / items / properties / incomeTaxEstimate
Added value: +{
+ "additionalProperties": false,
+ "description": "Present only when income was passed: income_tax_estimate's result for this country, in this country's own currency",
+ "properties": {
+ "assumptions": {
+ "description": "Assumptions the figures depend on",
+ "items": {
+ "type": "string"
+ },
+ "type": "array"
+ },
+ "averageRate": {
+ "description": "Total tax over gross, as a fraction",
+ "type": "number"
+ },
+ "currency": {
+ "description": "Currency of every monetary field",
+ "type": "string"
+ },
+ "dataVerifiedOn": {
+ "description": "ISO date that source was last checked",
+ "type": "string"
+ },
+ "gross": {
+ "description": "Gross annual income used",
+ "type": "number"
+ },
+ "incomeTax": {
+ "description": "Income tax before levies and offsets",
+ "type": "number"
+ },
+ "mayBeStale": {
+ "description": "True when that date is over a year old, or the source is unverified",
+ "type": "boolean"
+ },
+ "reason": {
+ "description": "Why there is no figure (not-covered / unavailable only)",
+ "type": "string"
+ },
+ "source": {
+ "description": "The income-tax source for this country — says 'not verified' when it was not",
+ "type": "string"
+ },
+ "sourceUrl": {
+ "description": "https link to the income-tax source — present only when verified",
+ "type": "string"
+ },
+ "status": {
+ "description": "'computed' = figures below; 'not-covered' = income tax is not estimated for this country; 'unavailable' = covered, but not for these inputs (reason says why)",
+ "enum": [
+ "computed",
+ "not-covered",
+ "unavailable"
+ ],
+ "type": "string"
+ },
+ "takeHome": {
+ "description": "Gross minus total tax",
+ "type": "number"
+ },
+ "taxYear": {
+ "description": "Tax year the brackets belong to",
+ "type": "string"
+ },
+ "totalTax": {
+ "description": "Total tax after levies and offsets",
+ "type": "number"
+ }
+ },
+ "required": [
+ "status"
+ ],
+ "type": "object"
+}
addedOutput schema / properties / rows / items / properties / mayBeStale
Added value: +{
+ "description": "True when that date is over a year old, or the row is unverified",
+ "type": "boolean"
+}
changedOutput schema / properties / rows / items / properties / source / description
Previous value: -"National tax authority for this row"New value: +"Authority this country's GST/VAT rate was verified against — says 'citation pending — not verified' when it was not"
addedOutput schema / properties / rows / items / properties / sourceUrl
Added value: +{
+ "description": "https link to the authority page for the GST/VAT rate — present only for verified rows",
+ "type": "string"
+}
addedOutput schema / properties / sourceUrl
Added value: +{
+ "description": "https link to the authority page the rate was verified against. Present only on rate answers backed by a verified ledger row — absent (never empty) otherwise, so its presence is itself the claim",
+ "type": "string"
+}