TimeFrequencyCode Time Frequency Code 2.1 urn:oasis:names:specification:ubl:codelist:gc:TimeFrequencyCode urn:oasis:names:specification:ubl:codelist:gc:TimeFrequencyCode-2.1 http://docs.oasis-open.org/ubl/os-ubl-2.0/cl/gc/default/TimeFrequencyCode-2.1.gc OASIS Universal Business Language UBL Code Name CodeKey DAY MONTH QUARTER UNSPECIFIED WEEK YEAR