Frequently Asked Questions

MannCert Ltd is the independent certification body for PDM implementations. We assess conformity against the published PDM Conformance Standard and maintain the public registry.

Mann Mechanics develops, publishes, and stewards the PDM framework. It handles licensing, interpretive guidance, and sector specifications. MannCert Ltd is a separate company that assesses conformity against published standards. MannCert does not develop the framework, explain how it works, advise on its application, or grant licences.

No. Certification and licensing are entirely separate. Certification confirms conformity with the published standard. Licensing is governed by the intellectual property rights holder under separate legal arrangements.

No. A licence does not mean an implementation is certified. Certification requires a separate assessment through MannCert.

Depending on the implementation context, both may be required. They serve different purposes and are obtained from separate entities.

Eligibility check, formal application, conformity assessment against the standard and test vectors, certification decision, and registry listing. See the Certification Process page.

Timelines depend on scope and complexity. Estimates are provided after the eligibility review.

Entity name, scope, certification date, standard version, status, conditions, and enforcement actions.

Yes. MannCert can suspend or revoke certification under the Enforcement and Revocation Charter. Actions are subject to the Appeals Procedure.

The Appeals Procedure allows challenges within 21 calendar days on defined grounds. See the Complaints and Appeals page.

MannCert does not explain the framework. Refer to mannmechanics.com.

Fees depend on scope and complexity. Contact [email protected] after the eligibility review.

Records are cryptographically chained for tamper-evident integrity.