The ACME service in Protocol Gateway uses existing registration functionality in Smart ID Certificate Manager (CM) for ACME account management. This enables administrators and registration officers in CM to manage existing ACME accounts using the RA client, like other registrations. Additionally, since the ACME service in Protocol Gateway uses existing functionality in CM for issuing certificates, this enables administrators and officers to combine ACME certificates with existing powerful functions such as publishing issued certificates, customizing the certificate formats, OCSP updates and management of issuance.