Alert when auditd is stopped

Hi list, During an audit, we had a question about stopping auditd. What will be the best way either to get an alert when auditd is stopped ? Is it possible to forbid altogether to stop auditd ? Can we still stop auditd when the rules are made immutable ? Any help will be appreciated Philippe Worldline, equensWorldline and Ingenico are registered trademarks and trade names owned by the Worldline Group. This e-mail and any documents attached are confidential and intended solely for the addressee. If you are not the intended recipient of this e-mail, you are not authorized to copy, disclose, use or retain it. Please notify the sender immediately and delete this e-mail (including any attachments) from your systems. As e-mails may be intercepted, amended or lost, they are not secure. Worldline and its subsidiaries therefore cannot accept liability for any errors in their content. Although the Worldline Group endeavours to maintain a virus-free network, we do not warrant that this e-mail is virus-free and do not accept liability for any damages or losses resulting from any transmitted virus if any. The risks are deemed to be accepted by anyone who communicates with Worldline or its subsidiaries by e-mail.