API ExplorerTaxConfigurationCustom VATEX code mapping instruction groupsCreate a new custom VATEX code mapping instruction groupCreate a new custom VATEX code mapping instruction group POST /v1/spaces/:spaceId/customVatexCodeMappings/:mappingId/customInstructionGroups Create a new custom VATEX code mapping instruction group Scope: space_write Request Responses200400404OKBad RequestNot Found