@property<EOL><INDENT>def calculation_phase(self):<DEDENT>
return self._calculation_phase<EOL>
Gets the calculation_phase of this CatalogTax.
Whether the tax is calculated based on a payment's subtotal or total. See [TaxCalculationPhase](#type-taxcalculationphase) for possible values

:return: The calculation_phase of this CatalogTax.
:rtype: str