Combo - GOBL

Combo represents the tax combination of a category code and rate key.

Schema ID

https://gobl.org/draft-0/tax/combo

Properties

Title	Property	Type	Description
Category	`cat`	cbc.Code	Tax category code from those available inside a region.
Country	`country`	l10n.TaxCountryCode	Country code override when issuing with taxes applied from different countries.
	`key`	cbc.Key	Determines the tax situation within the category.
Rate	`rate`	cbc.Key	Rate within a category and for a given key to apply.
Percent	`percent`	num.Percentage	Percentage set manually or determined from the rate or key. A nil percent implies that the tax combo is either exempt or not subject.
Surcharge	`surcharge`	num.Percentage	Some countries require an additional surcharge (may be determined if key present).
Extensions	`ext`	tax.Extensions	Local codes that apply for a given rate or percentage that need to be identified and validated.

Validation Rules

Field	Test	Validation Code / Message
Combo	Category in regime	`GOBL-TAX-COMBO-01` Tax category not valid for regime
Combo	Key in category	`GOBL-TAX-COMBO-02` Tax combo key not valid for category in regime
Combo	Rate in key	`GOBL-TAX-COMBO-03` Tax combo rate not valid for key in regime
Combo	Percent valid for key	`GOBL-TAX-COMBO-04` Tax combo percent required or invalid for key in regime
Combo	Surcharge requires percent	`GOBL-TAX-COMBO-05` Tax combo surcharge requires percent in regime
Combo	Extension keys defined	`GOBL-TAX-COMBO-06` Tax combo extension key not defined in regime