Struct TaxRuleSchema 

pub struct TaxRuleSchema {
    pub jurisdiction_id: String,
    pub description: String,
    pub rules: Vec<TaxRule>,
}

Defines modular tax and jurisdictional rulesets to be loaded into the Webizen VM. These rules are applied to the immutable Quins to compute dynamic, mutable tax liabilities without polluting the underlying graph.

Fields

jurisdiction_id: String

description: String

rules: Vec<TaxRule>

Implementations

impl TaxRuleSchema

pub fn new_au_gst() -> Self

Mock AU GST schema (10% GST on income, 10% credit on expenses)

pub fn new_eu_vat() -> Self

EU VAT (standard 20%): 20% owed on income, 20% creditable on expenses.

pub fn new_us_sales_tax() -> Self

US combined sales tax (illustrative ~7% on sales; expenses are not creditable).

pub fn new_zero_rated() -> Self

Zero-rated / exempt jurisdiction — no liability on any category.

pub fn evaluate(&self, category: &str, amount: f64) -> f64

Evaluates a given amount and category against the active ruleset