Validity of an electronically signed document
The expiry of an electronic signature does not change the validity of signed contracts, agreements and other legal acts. What changes is the provability of the electronic signature, which is made more difficult. Read more about verifying electronic signatures.

100% digitalisation does not yet exist
The eIDAS Regulation has made electronic and paper signatures equal. These signatures are equivalent signature options and employees cannot be forced to sign either. Therefore, even in a digitised environment, you need to be prepared for the possibility of signing a paper document.