How to prevent offer acceptance by the recruiter and ensure it is accepted by candidate only?

Summary: We want to ensure that all the offers are accepted by candidates only and no one in the internal team accepts the offer on behalf of the candidate.

Content (required): We want to ensure that all the offers are accepted by candidates only and no one in the internal team accepts the offer on behalf of the candidate. This is to ensure we have digital signatures on accepted offers by all the candidates. Please suggest on how can we achieve this?

Version (include the version you are using, if applicable): 23 B