Relative to software changes, revalidation means validating the change itself, assessing the nature of the change to determine potential ripple effects, and performing the necessary regression testing.

Re-confirming the validation process for a previously validated electronic signature.

documented procedure to reconfirm an established validation (ref. ISO 11607: 2003(E)).

The authorized stamping or writing upon the flight coupon showing that it has been officially altered by the carrier.

A sticker applied to a ticket indicating a change of date and/or flight number but retention of the original routing.

The regular demonstration by doctors that they are up to date, and fit to practise medicine.