Nothing in this part shall prohibit the use of ADAD equipment to make calls with recorded messages when such calls:
(1) Are made in response to calls initiated by the person to whom the automatic call or recorded message is directed;
(2) Concern goods or services that have been previously ordered or purchased;
(3) Relate to collection of lawful debts; or
(4) Are made by a public school, kindergarten through grade twelve (K-12), as part of a program to regulate and control absenteeism of students.