The compliance rule engine
The versioned, machine-checkable HR/labour rule corpus and the RuleEngine that audits HRMQ's data against it.
AVG data-subject rights
AVG (GDPR) data-subject rights — inzage, portabiliteit, vergetelheid, and rectificatie — orchestrated over OpenRegister, with a hard statutory-retention guard.
Multi-administratie (accountant multi-client)
The accountant multi-client model — administrations, the active-administration switch, and why scoping is a convenience, not a security boundary.