Furthermore, the Peppol SMP Specification 1.3.0 was published, which solely includes the change from the hash algorithm SHA-1 to SHA-256. The migration period is six months, with the following timelines:
Milestone T1- 1 December 2023
SMP servers may start using the new specification, and SMP clients must be able to support the new specification.
Milestone T2- 1 June 2024
The migration period ends. SMP servers must use the new specification.