Article 42 Requirements for qualified electronic time stamps
United Kingdom
1.
A qualified electronic time stamp shall meet the following requirements:
(a)
it binds the date and time to data in such a manner as to reasonably preclude the possibility of the data being changed undetectably;
(b)
it is based on an accurate time source linked to Coordinated Universal Time; and
(c)
it is signed using an advanced electronic signature or sealed with an advanced electronic seal of the qualified trust service provider, or by some equivalent method.
F12.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .