(a) A caller shall not use or connect to a telephone line an automatic dialing-announcing device unless: (1) the subscriber has knowingly or voluntarily requested, consented to, permitted, or authorized receipt of the message; or (2) the message is immediately preceded by a live operator who obtains the subscriber's consent before the message is delivered.
(b) This section and section 325E.30 do not apply to (1) messages from school districts to students, parents, or employees, (2) messages to subscribers with whom the caller has a current business or personal relationship, or (3) messages advising employees of work schedules. This section does not apply to messages from a nonprofit tax-exempt charitable organization sent solely for the purpose of soliciting voluntary donations of clothing to benefit disabled United States military veterans and containing no request for monetary donations or other solicitations of any kind.