DateTime values shall be formatted as specified by ISO 8601:2004 and encoded as a JSON string.

DateTime values which exceed the minimum or maximum values supported on a platform shall be encoded as “0001-01-01T00:00:00Z” or “9999-12-31T23:59:59Z” respectively. During decoding, these values shall be converted to the minimum or maximum values supported on the platform.

DateTime values equal to “0001-01-01T00:00:00Z” are considered to be NULL values.