Certifying (the use of) electronic documents in general, and electronic traffic of documents and data in particular, including their storage, under the supervision of and as established by a public official on the basis of the IATIS (Identification-Authentication-Timestamping-Integrity-Storage) principle.
The "document flow" referred to means the end-to-end process, i.e. from paper and digital to digital, on the one hand, and from digital to paper, on the other hand.
The public officials involved assume the role of Trusted Third-Party Officer (TTPO). Read more