Indrek asked this question on digital signature devices, such as the ones delivery drivers get you to sign for your packages. While he identified EU directive 1993/93/EC as appearing to regulate, he had some concerns around what should be done to ensure these signatures are as valid as paper counterparts.
sam280 pointed out that:
and
Which implies that the existing regulations don’t cater fully for this use case, and this is borne out by the accepted answer by D.W.
D.W.’s answer discusses the problem of law here but sums up with a very down to earth conclusion: …