is there any way to add custom validation for request Posting: Single Ledger

we have a case to add our custom validation when user try to post GL journal. we need to do custom logic and stop the post if user not follow our custom validation.

we have case to add our validation when user import from interface so we used oracle standard package GL_IMPORT_HOOK_PKG to add our validation. is there any similar way to add our validation for Posting: Single Ledger.