This calls for the date serial number to be stored, “as accurately as possible”. This requirement is not precise and is untestable.
State the minimum precision required.
3.17.6.7 te
2529(2536)
Proposed Disposition of DIS 29500 Comment CO-0158 (Modified: 2007-11-28) We agree; The following change will be made to Part 4, §3.17.6.7, page 2,529, line 29: As a date and/or time is represented by a number, a date/time serial value shall be stored in XML as the unformatted text form of that number (according to the lexical representation of numeric values given in § 3.17.5.3) , as accurately as possible . Similar Comments: CL-0148 , DK-0034 , FR-0439 , GB-0366 , GB-0369 , GR-0099 , IN-0071 , US-0169

wow, they just added words and said the same thing.
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err, then again, comparing to the PDF it seems the last bit “, as accurately as possible” should be struck out.