A ballot argument may not be accepted under this article unless accompanied by the printed name and signature or printed names and signatures of the author or authors submitting it, or, if submitted on behalf of an organization, the name of the organization and the printed name and signature of at least one of its principal officers who is the author of the argument.
No more than five signatures shall appear with any argument submitted under this article. In case any argument is signed by more than five authors, the signatures of the first five shall be printed.