ITaxService

Interface to be implemented by tax provider plugins. The interface defines a single method getTaxLines that returns numerical rates to apply to line items and shipping methods.

Methods

getTaxLines

**getTaxLines**(itemLines, shippingLines, context): Promise<[ProviderTaxLine](/references/services/types/ProviderTaxLine)[]>

Retrieves the numerical tax lines for a calculation context.

Parameters

itemLinesItemTaxCalculationLine[]Required

the line item calculation lines

shippingLinesShippingTaxCalculationLine[]Required

contextTaxCalculationContextRequired

other details relevant to the tax determination

Returns

Promise<ProviderTaxLine[]>

PromisePromise<ProviderTaxLine[]>Required

numerical tax rates that should apply to the provided calculation lines