ISO 2014 is a standard superseded by ISO 8601. ISO 2014 was the standard that originally introduced the big-endian all-numeric date notation [YYYY]-[MM]-[DD]. It was issued as an international standard in 1976, technically identical to ISO Recommendation R 2014 from 1971.
^Technical Committee ISO/TC 154, Processes, data elements and documents in commerce, industry and administration. (2004-12-01). "ISO 8601:2004(E)". ISO. Retrieved 2006-11-15. Annex A … From that concept representations of all other date and time values were logically derived; thus, ISO 2014, ISO 3307 and ISO 4031 have been superseded.