API ExplorerTaxConfigurationCustom VATEX code mapping instructionsCreate a new custom VATEX code mapping instructionCreate a new custom VATEX code mapping instruction POST /v1/spaces/:spaceId/vatexCodeMappings/:mappingId/instructionGroups/:instructionGroupId/instructions Create a new custom VATEX code mapping instruction Scope: space_write Request Responses200400404OKBad RequestNot Found